630 MONTHLY WEATHER REVIEW. APBIL, 1910
Climatological Data for April, 1 9 10.
DISTRICT N o . 1 1 , CALIFORNIA.
Prof. ALEXANDER G. MCADIE. Dbtrld Editor.
GENERAL SUMMARY.
The month of April was, on the whole, warmer than usual and
drier. A fair index of the general conditions throughout, the State is afforded by the records at Sail Fraiicisco, covering a
period of 61 years, whereby we are enabled to compare the general character of the month with other Aprils. The present
month belongs decidedly iin the group of dry Aprils. Since.
1906 the average frequency of rainy clays in the central portion
of the State has been 4: but on the other hand, in earlier years
the average frequency was 6, and in certain groups of years rose
to 9. In individual years there have been 10 or inore rainy clays,
aid in one year (1880) there were 17 days on which rain fell.
Of this number, there were 11 consecutive clays. In April,
1857, no rain fell and this condition was almost paralleled during
April, 1909, when only a trace of rain fell during the entire
month. As will be shown elsewhere, in discussing the snowfall,
the precipitation at high levels in the State during the present
April was also deficient, although greater than the aniount
which fell during the preceding April. The most iiiarketl gen-
eral feature of the month then was its comparative dryness. The other significant feature was the continued warmth. It
will be renieniberecl that the month of March was likewise
warm. In fact, the continued high temperature and deficieiit
precipitation were noticeable over a large portion of the United
States. It seems likely, therefore, that, the same general ron-
trolling causes, whatever they may be, continued to act though- out April in the Pacific coast States. Indeed, during the last
week of the month, teiiiperatures were higher than ever before recorclecl for the same period of the year. -4s stated in the
National Weekly Bulletin for the week ending May 2, the warm
area "nioved slowly eastward a8 the week ntlvanced, bringing unusually high temperatures throughout the entire central ani1
northern portions of the country as far east as the Atlantic
coast by the 30th." The 22cl and 23d of April were the warmest days of the
year, and a t Los Angeles and San Diego masiinuni temperature
records were broken. At tlie fornier place a temperature of
100" was recorded. A t Fresno the highest temperature pre-
viously reported, 100.8 " F. , was esceeded, the teinperature reaching 101.1". The mean temperature for the month a t
Fresno was the second highest on record. htany of the coopera-
tive observers called attention in their reports to the warin character of the month ancl some stated it was the warmest
April on record.
There was less cloudy weather than usual ani1 fewer pressure
disturbances. The surface winds, escept where tleterininetl hy
local draughts, were mainly froin the north, and this prohably
explains the comparative dryness, as these are not rain-hearing winds. The first decade was one of quiet weather ancl iiorninl
air movement. There was nothing noteworthy until April 0,
when a small disturbance developed over the Sierra. As it
subsequently appeared, this was tlie forerunner of a general
depression which caused 48 hours or more of unsettled weather
over the whole coast. Froiii April 14 until the end of the month, with the exception of brief intervals on April 27 and 30, the
weather was fair ancl pleasant, due probably to a succession
of high areas crossing the Pacific slope north of the 30th
parallel. On April 22 am1 23 a inoderate norther prevailed. During the first 24 hours the following temperatures were re-
ported: Los Angeles. 98'; Ran Diego, 94"; San Luis Ohispo,
94"; ancl 8an Francisco, 86". An interesting comparison of
temperatures is the following, showing, as it does, a temperature
gradient steep enough to have caused a decided indraught of
air from the cooler to the warnier stations. Such result, how-
ever, did not occur. April 32, 1910, 5 p. in., San Francisco, Sa", wind 4 miles per hour from the nort,hwest; Southeast
Farallon, 54 ', wind northwest, 13 miles. The maximum tem-
perature recorded at San Francisco during the clay was 86". The inasimum tcwperature recorded at the Farallones during
the day was 56". On April 23, during t,he afbernoon, the tem- perature at San Francisco rose t.0 87 O, which, with the exception
of April 14, 1888, when t,he teniperature rose to 88", was the
wariuest April day ever recorded. At Fresno the temperature rose to 100' or slight.ly above; at Los Angeles, loo", breaking
the record; at. Han Diego, 96". Again it is interesting to
notice that at. t,he snine moment, the temperatures at Sail Fran-
cisco and at blie Farallones were, respectively, 84' and 50" and the wind dit1 not blow from the colder to the warmer region, but
esactly opposite.
The warn1 period was followed, as frequently happens, by fog along the coast. The temperature a t $an Francisco was, on the aft,ernoon of April 34: 32" lower than at the same hour on the
preceding day.
TEMPERATURE.
(h e hundred and eighty-eight! statiolis were considered in
tlet,erininiiig the mean temperature for the State. This wm 59.8'. Departures from the nornial were available for 128
sbations ancl these show t,liat the month was 3.6" above the
normal. This was the wsrinest April in the past 6 years. The nest wannest was in 1008 when the mean temperature was 58.4'.
The coldest. April was in 1906 when the mean temperature was
56.3 '. The highrst t.enipwat,ure recorded at any one station
during t,Iic. nioiith was 1 lo', at. Leiiion Cove, on the 24th, and the
lowest !I", a t htaccloel, on the 4th. The station report,ing the
the liighcst~ ~nont,hly niean was Bagdad, 78.8 ". Other stations wit.11 a high niont,lily mean temperature are Maminoth Tank,
75.2"; Needles. 74.S'; Palin Springs, 73.3"; Brawley, 73.8"; and
Tehama, i2.4 ". The coldest stat.ioii, as determined by the
inont,hly niean, was Maccloel, 42.4 ", followed by Madeline, 44.4;
La Porte, 47.S"; and Alturas, 98.8".
PRECIPITATION.
One hundred and eighty-nine stations were considered in
tlet.erinining t.he inoiithly rainfall for the State, which was 0.62
inch. The departures from the nornial for 133 stations
showecl a deficiency of 1.40 inch. The greatest 24-hour rainfall
was 3.61 inches on tlie 10th aiicl 11th at Upper Mattole. The greatest. mont,lily ainount was 3.49 inches at Monumental. At
24 stat.ions no rainfall was reported. April, 1909, had less rain
th:ui blie prctsents April. That, however, was the driest April
on recoril, wit,li the single esception of April, 1857.
WIND.
The prevailing tlirect,ion of the wind was northwest.
Tlicbre w:is more sunshine t,han usual. At Sacramento, 319
hours; San Diego, 382; San Luis Obispo, 270; Fresno, 344; San Francisco, 319; Eureka, 149; Los Angeles, 389; Red Bluff, 206;
aiitl Sui Jose, 2%.
SUNSHINE.
EARTHQUAKES.
Eartlicluakes were report21 as follows: Ran Diego, 11 :57
p. in., on the 10t.h; Alameda, 6:50 a. in., on the 23d; El Cajon,
midnight of t4he 10th; Heber, midnight of the 11 th; Iclyllwild, 5:30 a. in., of the 10th and 13:08 a. in.', of the 11th; Priest Val-
ley, 3 slio~lis on the 30th; Retllanrls, just before inidnight of t,he
11th; Hnn Rernardino. 3 157 1). ni., of the 11th.
April, 1910, was a nioiith of light snowfall.
SNOWFALL IN THE MOUNTAINS.
Usually a mob
erate siiowfall is recorded at all stations above a 1,000-meter
APRIL, 1010. MONTHLY WEATHER REVIEW. 63 1
level. There is nearly always a snow covering extending down
to the 1,500-meter level; while in tlie gulches and on mountain
tops the depth of snow at the end of April exceeds several feet.
April, 1909, broke the records for light! snowfall during the
month, the record covering a period of 10 years; but tliere
had been heavy snow earlier in the season and the snow cover
at the beginning of the nionth was above normal. April, 1910,
had a little more snow than fell in the same month the previous
year, but the snow cover was by no means so deep. The out-
look, therefore-, is unfavorable for an abundantr supply of water
during the coming season, unless there should be later pre-
cipitation. An interesting comparison of the depth of snow at
the close of April for the past 3 years is recorded by the following
table :
Solid siio~ir on the groirntl. -- -_ . . - .-
Yrar. i
Station. I - ~-_
~
... .......
I i i c i i F s . Iirt.hc.s.
Summit. Placer County. _. , , ... , .... , , ... , ........ , , , . , , , . , , ... Tamarack. Alpine County.. .................................... 50
.- I ._ .. .- .~ ....
As stated elsewhere, the iiiondh was warm and the snow melted rapidly. In the Sierra foothills the snowfall was light
and clicl not remain long after falling. By the mitltlle of the
month the snow was Dracticallv off the ground. remaining only on the northern slopi3 and in ihe deep &lies.'
C!oiiipara!itk tabk of rirzr grmfcs. . - ........ -. .. - -- .- .......
River. Lengt.li.
-. ......... - ....... __- I
...
4varngr
Descent. 'iall prr
Euslem. Mississippi.. ............ Ohio. ................... ........... Mwouri. ............... Connecticut. ........... Iiennebec .............. Rio Grande. ............ Hudson.. ..............
Calaveraa .............. Sacramento.. .......... Feather.. ............... Tuoluinne .............. Stanislaus.. ............ American.. Yuba.. Cosumnes..
.................... ..................................................... ................................................
STEEP DESCENTS OF CALIFORNIA RIVERS.
The story of the Colgate and Yuba power plant,s is most in-
terestingly - - told
I
by - Mr. . Archie . - - - Rice . - . - in the - Journal ___ of . Elect,ricity, - Power, and Gas, for April 30, 1910, and the following estracts
are made, by permission of the editor. This is one of the
largest, as i t was one of the earliest hyclroelectric enterprises for the long-distance transmission of power on the Pacific slope.
Power is delivered to the cities on San Francisco Bay, a tlis-
tance of about 140 miles. I n describing California's wealth of
water power, Mr. Rice states:
To understand why it is that California is so woxitlerfully rich in watw power you must bear in mind that there are a dozen or more rivers rushing down from sourcea high in the lofty Sierra. Wherever water can bo diverted and made to flow gradually along the side of a river canyon and produce t i
single plunge of several hundred feet, there power can be developed to run an
electric generating plant. How splendidly California is supplied with steep
rivers is indicated in the accompanying table, which givw the foot-drop to the mile for several well-known eastern rivers and for some of those in Cali- fornia. In t.his connection it will be rccalled t,hat the Yuba River s l o p
average 100 feet to the mile between t.he dam and the Colgate power house, nncl t,hat the diverting flunie is given a drop of less than 13 feet. to the mile. T1i:it flume slopr is much great.er than is really necessary. The mighty Mi+ xis4ppi gors to t.hrh Gulf wit.11 a drop of only a lit.tle more than 7 inches to the mile. Thr st.cep descent of most of the California rivers enaLh1w power developers t.o 1oritt.e more t.han one plant on tlie same diverted water system by leading t.hr diechargrd water from the upper plant down by eaay gradients to some point wherc anot.lier big drop cnn be produced.
NOTES ON THE RIVER CONDITIONS I N THE SACRAMENTO AND
BAN JOAQUIN WATERSHEDS DURING APRIL, 1910.
The R(i.cmnioiio Ifcitershed.-'The average of all river gage readings throughout the Sacraniento Valley, as a whole, during
April, 1910, fairly represented the normal condition of the
streams for this season of the year. The average, on the whole, was maintainecl, however, as t,he result of rapidly melting snow
in the mountains, rather than from the effects of precipitation,
which was markedly deficient..
The western tributaries of t>he Sacrament,o River, and the Pacranieiit,o it.self above Redcling, were lower than in any April
of recent years, except that of 1908, when all st,reanis in the cmtral valleys of California were exceptionally low.
The avcrage stage of the Yuha R.iver, on t,he east, was also
considerably below 6lie nonnal, having been t,he same as that. of
April, l9OS. Owing to its restricteil watershed this stream was
blie first of any iiiiport,aiice t.0 recede, the snows that feed it,s
niinierous forks in t,hc high alt.itutles having mostly all melted hy t,he 10th or 15t,Ii of April.
The run-off in the tribut.aries of t.he Feather River, especially
ita northern and mitlclle forks, was sufficient to keep this streani moilerat,ely high during the entire nionth.
The American River averaged about 1 foot above the usual
April stage and carried more wat.er than it, has for any April aiiictr that of 1007, when it was exceptionally full for the nionth in quest,ion.
At the close of thr lllonth all flood basins of the Sacramento
River had practically ceased discharging, and niany large areas,
t.1~a.t usually are covered with water until the middle of May or tlie 1st of June, had become dry through seepage and evapora-
tion. The visible water supply now availalJe for the Sacranittnto
Valley is much less than for many years, and it is forecast that
there will he a inarkecl shortage of water during the coming sunliner.
The Snn Jnayuin M'atershed.-Except the Calaveras R.iver,
which was exceptionally low during the greater part of the
month, all streams that supply the 8an Joaquiii River averaged
over 1 foot above the normal April stage. The Ban Joaquin itself carried more water than for any other April since that of 1907.
Owing to the unusually early melting of the snows in the
southern Sierra the spring rises throughout t.he San Joaquin Valley hegaii from 20 to 30 clays earlier than usual, and the
run-off in almost all streams during April was coniparahle nith
that of the niitldle of June, when t.he spring rises usually culmi-
nate.
The present available wat,er supply for tlie entire Ban Joaquin
watershed appears to be limited, and it is safe to predict a clecidecl shortage of water for the coining summer and fal1.-
N. R. Taylor, Local Fsreca.ster.
MONTHLY WEATHER REVIEW.
TABLE I.-Cli-d data for April, 1910. Dieetid No. 11, California.
Orsoon. Klamath Agency. ....... Klamath Falls. ............ -.view. ............... Merril ...................
APRIL, 1910
Klamath. ........... .I .do. ................ Lake.. ................ Klamath. ............
632
~~~~~ ~~
Yonna.. ................... CaliJornia. Alameda ................. Alturas. Anderson (near) Angiola .................. Antioch.. ................ Aptos.. .................. Arrowhead Springs. ..... Auburn. ................. Avalon. ................. Axusa.. ..................... Ba dad.. ................
Baratow. ................ Berkeley ................. BIggs .... .: .............. Bishop.. ................. Blocknburg. ............. Blue Canyon.. .......... Blythe. Branacomb.
Cdexico ................. Caliente. Calistoga Campbell. ............... Camptonville (near). Cedarville. Chico. China Flat... ............ Chino. ................... Cisco. ................... Claremont Cloverdale Colfas ................... Colusa ................... Corning. ................ Cuyamaca(1). ........... Daunt. .................. Davisville. .............. Deer Creek. ............. Delta .................... Denai? ................... Dobbins ................. Dudleys.. ............... Dunnigan. .............. Dunsmuir. .............. Durham. ................ El Cajon ................. Electra. ................. Ebinore. ................ Emigrant Gap. ......... Emcondido.. ............. Eureka. ................. Farmington. ............ Folsom.. Fordyce Dam Fouta Springs.. .......... Fresno ................... Fruto. ................... Galt ..................... Georgstown. ............ Giiroy ................... Gold Run.. .............. Golualea ................. Grsss Valley. ............ Greenville.. ............. Groveland. .............. Guinda .................. Hanford. ................ Healdsburg .............. Hearst.. ................. Heber Hollister Hornbrook. ............. Hot S rings. ............ €Iullv&e (near) Idyllwild. Independence.. Indio. ................... Inskip.. ................. Ione. .................... Iowa Hill.. .............. Jamestown. ............. Kin City. .............. La forte.. ............... La Grand. ............... Lemon Cove.. ........... LIok Obaervatory ........ Lvermore. .............. Lodi ..................... /
................. .........
Baferafield. .............
.................. ............. ................ :%%eek .............
................ ................
.... .............. ...................
............... ...............
................ ............
.................... .................
.......... ............... ..........
..do. ............... .I
Alameda .............. Modoc Shasta. Tulare. ............... Contra Costa.. ....... Santa Crur ........... San Bernsrdino.. ..... Placer. ............... Loa Angeles.. ......... .do. ................ San Bernardino.. ..... Kern .................. San Bernardino.. ..... Alameda. ............. Butte.. ............... Inyo.. ................ I Humboldt. ........... Placer. ............... Riverside. Mendocino Imperial. ............. Butte ................. Imperial. ............. Kern Naps. Santa Clara. ......... Yuba Modoc. Butte. Humboldt ............ San Bernardino.. ..... Placer. ............... Loa Angeles.. Sonoma. Placer. ............... Coluaa ................ , Tehania. ........... ..I
San Diego.. ......... .!
Tulare. .............. .I Yolo. .................. Nevada.. ............. Shasta. ............... Stanislaua.. .......... Yuba ................. Mariposa. ............ Yolo .................. Siskiyou .............. Butte .................. I
San Diego.. .......... Amador. ............. Riverside. ............ Placer. ............... San Diego. ........... Humboldt ............ San Joaquin.. ......... Sacramento Nevada.. Colusa.. .............. Freeno.. .............. I Glenn.. .............. .I Sacramento.. ........ .' El Dorado. ........... I
Santa Clsra. ......... Placer. ............... i Monterey ............. Nevada.. ............. Plumas ............... Tuolumne. ........... Yolo.. ................ Kings ................. Sonoma. ............. Mendocino.. ........... Imperial. San Benito. Siskiyou. ............. Tulam. ............... Lake.. Riverside. Inyo. Riverside. ............ Butte. ................. Amador. ............ .!
Placer. .............. .! Tuolumne ............. Monterey ............ .: Plumas.. ............. Meroed. ............... Tulare ................ Santa Clara. ......... Alameda .............. 8an Joaquln ..........
!
................
~
...............
............
~
~
............
..................
i
i
................
................. ............... ................
......... .............
...........
i ............
.............
i
~
..........
................ ............ .................
24 31 "9 44 2.!12 25 , 411 3.t 45 I 3.14
?5 411 29 32 I I ) ;?
w2. 1 ....... :At; 42 12t 46 ! Il'81
53.2 sat! 32 It 4 i I i l j i .........
....... I 1.24
- 3.xi I.2n - (I.% tI..ili
.__. ._. . 11,:;s
I.+: ........
0.c0
2.12
0.15 2.05
1.411
0.09
L!I6
U.YB
U. 7lJ 0.91
- 0.01 0.IW
....... 1.25 - 1 .S 0.35
- 3.s5 1.01 ......... 0 80 - n.43
-2 .4 3 1.28
- u.m? 0.53
- 1.03 : 0.61 I
- 4.34 , 0.61
j Temperature. in degrees Fahrenhnit. 1 Precipitation, in inches.
-_
3 8$ 53
-2 90
. .-.
.... o. n 0. n n. (I
0.0
n. n n. n n. n
-- ..... ....
I d
2 I d Couiiticu.
1 .E 4
Stations.
I
25 ' ?"
23 , 23 25 1s
23 1Y 23 1s
?3 42
24 I 1s 23t, 4u
4.169 4.250 4.800 A, 070
......
......
~
"B
102
l,m 1.360
540
181
rn 2,105
317
9s 4,150 1.700 4,695
2, aclo
- 105 2,140
0
1.290 363 217 3,500 4,6i5
189 600
714 5.939
1.200 340 3,421
00
277 4.6i7
4, ooo 51
3, nm 1,138 126 1.650
3.000 65
2,295
160 48" 725 1.134
5.230
657 e4 111 252 6,5W
1.650 293 624
49 2,650
193
3.22 127 3,690
3. w)o
2. S28
350 249 110 1,800
- 20 284
2.154 3,300 2.250 5,250 3.907 -20 4,975 287 2,825
1,471 333
5.000 255
IXM 4, a9 485 45
......
......
I 48.5 8 .. ..... i$
........ ........ I SI
0 1
3
3 3 4
1
5
3 1
0
0
5
n
n
I) 3
1 . 611.9 ....... .: gn 6 . 4s.8 ........ S i
' 62.4 ........
~
91
.It!. .. ,I n. 04 ....... .' n. 0" 4 t 59 11.26 ......... 11. I4 3 . 40 , II. ?i ......... I 0. 111 16 ai 25 1
39
8 7
21 7
23 11 15 4
11 1 10 1 6
5
34 38 13 3 16 40 1 18 39 IS S 38 7 24
11 3 3s 3 25
10 6 1 33 21 15
11 6 15 36 16
24 31
38 15
,..
R
..................... ....,..... 68.9 ' + 9.4 , 91 23ti 52
5x.4 ' + 3.5 , 85 i? 47
6 4 9 1 ......... 99 18 40
5915 + 3.0 i on . 25 36 611.8 ....... 92
~
?'? 4s
I ................................ 4 , .. , n. in 1- 0.85
~
o. 111 I I I .~
3t.. ... n.66 1 ' 3 . n.51 ! n.n a t si) n. in1 I-. .:-'. . n.ini
~
o.ii
iu 36 i.8n 1- 1.41 1.111 n.n 12 49 11.1ii I. ....... 0. 16 . 0.0
..... nw. I Southern Pacific Co. nw. Do. ..... 1 G. I. Royce. w. Southern Pacific Co. w. , W. N. Vilas. ..... I A. P. Grifith.
, , , . . j Santx_Fe Co.
.....
8.
s. !
Y.
11.
\v .
nw.
..... i
... 27 l'.i!. ' ' i 23 ' h 1 .......... .......... ........ I ... ............... -I
rh.8 ....... 1113 56 54 69.0 + 4.3 100 23t' 45
66.2 ......... 99 . l e t ; 4k 57.n + 3.11 , RB ~2 I 14
63.4 + 6.0 89 I 24 42
............ 1 1 , 34 1,.on 4 41 , 0.00
lt 51 ' 11. 1111
3 36 0.41 3 t ' ..... 0.iu
................. ........ n.no n.n - 0.22 I n.on n.a ....... I i i .i m n.n
- n.99
~
0.011 I n.11 - 1.43 , 11.34 I II.II
...... 15 3
5 9
0 3
9 ' R
3 1
111 I 5
6 1 2 I1 I 3
3 0
I I i 3
0 : 8 4 I 11 51 8
6 : 0
......
3 ; A
UO.
E. L. White. State University Southern Pacific Co.
W. A. Chalfant. Victor H o Southern Rcific Co.
H. V. Blenkiron. A. J. Haun. U. 5. Weather Bureau. Cal. Gas & Electric Ca 5. E. Peck. Southern Pacific Co.
11
16
2 i
I2 .............. 54.8 ....... 53.2 + 6.1 I 69.8l- ....... 52.2 . , , . , , .
~
72. 8 ....... 58.3 ........ i3. Y ........ ;
54.2 - 3.6
51.0 + 1.3 I
59.6 ........ :
54.0 +ll.i I 61.0 - iI.6
61.9 ........ i G i .4 + 6.6 I
45.9 + 8.8 I 68.7 + 6.6
5 i . 4J , . . , , . .
73.3 +12.4;
...
311
?!I
I"
31 43
36 .Is SI
4li
34
31;
21
31;
35
46 311
41 I
3li.I
,. I
.................................. 3 j 4 1 , 1.1.1 ,........ I n.3i i n.ii 2%) I 82 I 1.4s I - 2.?0 i.mr X I I
?t 55 : ii. i s /. . , . . n. i s
3 1 5 ,2 .5 0 2.41 I .i l 5
I4t. R i 1.4i I ., ..... 11.65
16 . 45 11. In I . ... 11.111
I2 . . , . II.iU I - II.A!l II.ill
7 t ._. . 1.14 ;- 1.74 1j.S.i
2Y 4 i II.li.-U.S'J II.IlM
4 t 44 1.4s ......... 11.!111
4 48 , I I . 711 - II. 311 II. 32 29 ' 45 : 11.23 - 1.56 11.23
14 53 . 11.44 ........ 11.25
4 , . . , 0.511 - 3. S4 U.511
1 1 5 2 ; T. 1: ...... T.
?t . . , , n .2 ~ + n. i:j 0.213
..... 94
~
79 lllR
S i
In6 92
1112 s i
s9
9s
91 I
!I2
98 99
i l 1111
in4
~~
3 ' 21 1 ' 26
:3 18 II 37
1 "7
4 "2
2 15
i 17 3 24
1 "2 2 1"
I 21
1 ' 25
4 li 2
.. .;. .. 2 I ...
2
~
25
3 ! 14
:i I 1s
1 ! 11
1: ' 14
3 "1
R "2
5 17
4 21)
1 24 :i 20 4 21)
4 25
3 It1
; ;;
,."
11.1)
11. I I
0. 0
(I. 0
0.0
0. i; c. n
o. n n. n
n. n
9 .0
0. u 11.u
5.1;
0.11
11. u
11. (I
0. I I
1.11
n. II
11. I I
11. I1
0. 0
11. u
11.0
11.0
(1.0
0. 0
(I. 0
(1. (I
0.0
11.11
....
11. n
n. n
W. Do. nw. I F. hl. Righter. ...... R. B. Johnson.
YW. I T. H. Johnstone.
8.
X. 0. I. Westerburg.
W. I Southern Pacific Co.
Butte County R. R. Co. 2
1 3 1
II
!I
0
Ill
4 14 14
10
R
?
S 2 s
0
5
sm 11
4
14
;
n
.,.> -- ,
Do. F. P. Brekett. Lloyd Browne. Southern Pacific Co.
W. B. De Jarnatt. Southern Pacific Co. 1,. L. Macquarie. D. L. Wishon. S. H. Beckctt. Cal. Gas & Electric Co.
Southern Pacific Co.
Ranta Fe Co. Cal. Gas & Electric Co. W. H. Dudley. Southern Pacific Co. Do. R. W. Durham H. H. Kessler. Cal. Gas 6 Electric Co.
W. H. Bohannon. Southern Pacific Co. A. R. Moon. U. S. Weather Bureau. Southern Pacific Co. F. 0. Hutton. E. E. Roening. H. S. Green. U. 5. Weather. Bureau. Soutkern Pacific Co.
............. 83. i I ........ B i . 1 + 6 .8
2f.2 +111.9
... i ...... ........ ......I _...... ...... 23 ! 45 53 0. li I 1.25 0.09 22t: 52 .3t .... II.46 - 1.16 11.85
?I t i z llt :30 ll.!V2 - 2.!V2 1I.SII
24 31 12 12 11.6s ......... ll.Rll
......
Je. ~
11.
e . .... JU. 2
5S.O - 2.8 52.3 i ........ 64.4 ' + 7.11
82.6 + 6.3
Y. :
2 ...... s.
:: 1 11.
n.
9
6
3 4 4
10
2
3 3 5 9 2 14
I
ti
4
:: j SW.
......
\\'. I
w. I
IlW. !
1. I
w. I
11. I
.....
W.
;>;. i e. I
.....I sw. i n.
Y. i SW.
.....
I 12 :.. .................................................. :...... ............................
83.0
61.4
54.4
....... 1u1 24 411 12. 42 1.23 ........ u.cs - n.a i w 23 21: I 0.1 11.35 - II.UIJ u.35 1 25 3 1R
41.8; ....... ! 65 "2 23 4 3 4 , 1.94 - 2.94 ,0.90 7.0
1 )5 .2 ,+4 .n 101 24 44 3 4 :<:1 l .?i :-I .l J i 0.?2 11.11
55. 6 :. ....... X5 2 3 3ll St 44 . 1. IM ......... 0.58 11.0
26 ...... 13 2 21 60.5 + 1. I 211 24 411 :< . . _, T. - i .~i T. 11.0
32 57.8 -3.4 r 5 28 44 It ..__, 0 .l i -1 .5 4 11.12 n.n 37 57.4 + 2.11
~
h i 24 34 12 33 1.88 - 4.111 0.S3 , 0.0
DO.
H. D. Jerrett. Southern Pacific Co.
Do. Do. F. R. Hull. C.H.Hi bie H. 8. Ric%ardson. Southern Pacific Co.
Santa Fe Co. John Favour. H. D. Ellmaker. E. T. Chumard. J. N. Thompson. Southern Pacific Co. U. 5. Forest Service. John Duggan. Earl Powers. U. S. Wentber Bureau. F. N. Johnson. Cal. Gas & Electric Co.
Southern Pacific Co. C. F. Macy. Sierra Ry. of California. Southern Pacific Co. C. W. Hendel. Santa Fe Co. G. W. Sandidge. The Director. E. G. Still. Ezra Fisk.
10 17
4
36 a2
3 3 9 14
33 3 32 29
7 23 16 10 15
21 39 !?a
..
..................................... 59.8 + 4.9 94 23 35
~
i . 44
55.0 ....... SS 24 I 86 ! 9 I 41 72.6 ...... Ill8 25 I 43 ! I 51
5i.5 - 1.11 I $14 22
~
3 i I 4 52
.........................................
...... ........
..... 56. 9 5s. 0
58.0
59.8 i6. I I
50.0 62.7 57. 8 59.0 59. 8 47.8 611. 7 69. I)
50.9
59. 8 .....
........... ........ s9
_. .__. .i 91
....... 91
+ 3.1 ' s i
+ 3.5 10; ....... i 6
+ 4.0 93
+ 4.1 s5
.....I 9.1
+ 3.6 !Is + G.5 I i 5
+ 4.9 ' 96
+ 6.8 110
+ 4.9 i8
.................................. 1.15 I ......... u .~s 0.0 4 20 ............. I ...
4t. 42
2 I 4s
?%I, 36 .It,. ..
12 . 46 4 ! 60
llt 38 14t 50 11 55 28 26
12 I 34
"8
23 4
3 5
13 0
8 6 0 ' 5 6 ! 7 4 2
0 3 s 5 u 4
3 6 l o ! 5
...I . .. 101 2
11 i 0
..... i
u\v. ,
nw. I
nw. I
nw. j 0.0
0. 0
PO 1.5
u.11
0.0
4. (I
u. I1
0. 0
u. 0
n. o
o. n n. o
~
~.
3 4 ' 3 22
1 17 0 19 2 16 2 35 5
~
17 3 I 24 4 27
34 43 15t 30 25 45
23 36
24 35
23t 33
??t 20
..... sw.
__.._I
sw. i
s. '
n. .....
.....
W.
32'. 41 24 I 85
23t 30 ........ 24 j 3s ...... 4 t 41 ............. + 1.5 I 91 .......................... n. 15 I- 1.12 j 0.11 I n.0 2 I 18
APRIL, 1910,
Stations.
MONTHLY WEATHER REWIEW.
TABL~: l.-Climatol~ datafor A d . 1010. Diakiet No. ll-continued.
I s
:5 ! Counties. i 2
633
L-.. ........ -
Invo ..................
-
d
A
e
5
g
:
0
I
Y
--
5 1
33 23 23 1 3 1
6 32
39 4 32
38 3 19 38 33 17
4 22
45 11
5 11
33 32
18 1
1s 17 33 21
6 13 6
16 34
4
28 7
26 19
21
20 23
14 3
21 17
I8 21
15 33 35 17 10 4
28 39 7 33
5!
38 18 39 39
17 35 15
15 36 23
21
26 21 37
22
24 14 13
21
38 7 22
8 39
10
30 14
ai
;:
Ojai Valley. ............. Orland.. ................. Orleane. ................. Oroville (near). .......... Palermo. ................ Palm Springs. ........... Pasadena. ............ , .. Paso Robles. ............ Peachland ...............
I I
I
Sonoma. ............. Tuolumne ............ El Dorado. ........... San Francisco. ....... Marin.. ..............
San Bernardino.. ..... San Diego.. .......... San Francisco. ....... Riverside. ............ Santa Clara. ......... Alameda. ............. San Luis Obispo ...... San Mateo. ...........
san Miguel Island. ...... Sanger.. ................. Santa Barbara.. ......... Santa Clara. ............ Santa Crua .............. Santa Magarita.. ........ Santa Maria.. .......... ., Ranta Monica.. .......... Santa Roaa. ...... :. ..... Selma. ................... Shaata ................... Sierra Madre.. ........... Sierraville ............... Sisson ................... Soledad.. ................ southeast Farallon.. .... Sonora.. ................. Stirling Cit ............. Stockton (8: H.) .._. ..... Storey.. ................. Suiaun ................... Bummerdale. ............
............ 61.2 +2 .8
58.6 + 2.9 57.5 -0.3
62.8 -i 6.9 62.4 + 4.6
57.0 -4.3 56.4 0.0 67.0 61.6 64.0 49.0
+ 4.6
+ 3.1
+ 4.3
....... 3 ' If 2.K 5 1 ... 0.13 1s 10 0.25 12 ' 40 1.77 3 38 0.40
4
~
34 0 13
It' 50 0149
30 I ... 0.05
1.39
- 0.74 -0.53
........ I- 0.82
........ - 1.18
- 0.36
- 1.54
- 2.69
Temperature, in &m a Fahrenheit. 1 Precipitation, in inches. I $
i t
:;
1;
b a
:'E ' i
;1 -
4 I1
IU
0 2
3 I1
6 4
0
7
0
4
8
0
0
3
3 4
0 7 I1 13 1
0
13
0
0 2
E
s:
3 1
4 . .-
24 11 15 23 27
16
13 10
22
30
23
20
21
24
18 25
26 3'3 IS
2n
w -. . - .-
I
1 I nw. 11 ..... 6 8.
5
~
sw. 4 ' se. 0 w.
0 ! nw. ........
!~.i .~~.. nw. 8 ..... ........
i.5: ... I P.
2.728 4.400 293 121
600
2,900 4.258 5.270 2,321 257 67
- 185 64 173
660 90 2,751
1,550 3,210 2,450 15
4, ,500
2,375
20
60 477 5.350 2,580
970 1.200 91
2.500
3.200 3. wo 156
36
900 254 520
250 213 584 827
800 190
3.750 1.875 250
490
461
3,400 307 552 1,352
M i 2.250 851 249
, 75 71
35
855 M 1.054 93 207 1,550 95 4s 201 22
616
500 371
130 90
20 906 220 110
181 31 I
1.049
1.400 5. OOO 3.555 188 30 1,825 3,525 7.3
296 a0 I, 270
......
......
......
0.20 0.37
0.00
0.36 0.42 1.c5
(I. 32 1.17
C. 00
0.30
........ I
,- 1.s3
I- 11. n8
1l'i:ii.l 8 - 0.61
........ , ........ ........
I ........ j
0.24 0.25
0. MI 0.26 0.37
0.2s
0.9s 0. MJ
n. 30
n. BO
0.0 0.0 0.0 0.0
0.0 0.0
0.0 3.0
I). 0 o. n
G. F. Marsh. A. G. Evans. U. 8. Weather Bureau. Southern Pacific Co. F. H. McCullagh. W. E. Anderson. Butte Valley L'd CO. J. H. Williams. Butte County R. R. Cn Southern Pacific Co.
DO.
A. Lunsted. Southern Pacific Co. Santa FP Co. Cal. Gas L Electric Co. J. H. Southwick. Southern Pacific Co. Do. C. E. Prindle. H. Lathrop. G. H. Chamhem. Southern Pacific Co. John C. Iinecht. G. F. Morgan. U. 8. Weather Bureau. Thomas Hull. W. H. Martin. Santa Fe Co. C. J. Bailev. 8. W. Marnh.
4 2
3
0
............... I ...... I.:.. ,.~~
73.2 ....... .! 104 '4 59.8 1 + 2.7 1 88 , 23 , 44
.......................... ?t! 45 i0.00
I_ ...... I0.00 5 t _._ 0.18 1.32 0.1s
0.34 6 ! _.._ I0.00 i- 0.92 ' 0.00
11 I2 I 0.15 ........ 0.08
.......................... 12 40 I 61 I ___. , .__ n.97
13 I 3 3 ' 0:as - 1.34
i-' .3i.'.i;oi.ll.i; I
..... 0.0 l"0' 0.0 I 1 ...... ........I ...... .... 54.2 ,. ........ 63.4 + 4 8 03 24 63.0 I - U:? 1 92 24 , 44
I ..... 0.0 !"i' 0.0 2
0.0 i o ......... 0.0 j 4
0.0 2
........
:::: 1 ; 0.0 0 0.n 6 o.n! 2
0.0: 2
.............................. 59.8 : + 7.4 8" I 2.1 I 4n 55.8 j .. ..... .I fie 23 35
... i .._! .... 51 ..:11.47
13 36 0.57
21; 44 ' 3.49 11 21 n.M
3t I 4.5 I 0.54 71, 41 0.37 1 1 4 7 .... ...... 1.08 4
~
5" 1.72 5 ! 51 : 1.17 3 ....I 0.37 11 Is-. 0.18 41 40 U.M
......... 1 12
1: 1:42
..... c.31 0.55 0.96
0.40
0.25
1.08
0.91
0.37
0. I19 0.50
0.40
0.18 0.14
0. OG 0.18
0.12 0.56
0.26
T. 0. 00
0. I 6
0.38 u. 5s 11.53 0. (16
0.20
T. 0.15
0. 11)
0.23 0. "8 0.17 0.45
0.33
0. 15 0.47
0. 17 0.13
0. CS u. 23
0.00
0.M
n. 29
.....
n. so
.....
n. 3n
n. 2s
n. 2s
0. in
...... I ........ I ...... ......... 83.1 ' + 6.3 I i z ! ?? I 50 51. 1 + 1.9 95 I 32 SI. 1 54.0
56. 6 5s. 2
74.8
4
12 8 1 3 1
9 2
4
9 4
4
5 5 4
..
nw.
nw. ....
8.
SW.
W.
HW.
de.
n.
...
ne.
.... .... sw.
W.
W.
SW.
ae.
s.
0.
W.
8W.
nw.
SW.
SW.
nw.
nw.
....
n.
nw.
aw. ....
se.
11.
w-.
n. se.
W.
se.
D.
8.
sw. n. w.
SW.
DW.
W.
W.
nw. ....
I1W.
11.
nw.
.... .... W.
8.
nw.
W.
W.
SW.
nw.
S.
nw.
nw.
....... ' 86 I ?2t' 29
+ 4.5 83 23 ' 37
+ n.7 91 21 37
+ 2.3 90 ' 23 , 40
+ 2.6 103 1 % i 47
........ I I- 1.32 I
1.70 I
1: 1.90 I
..
15
18
14
.._._ 28 2.0 I .......... ........
.i ~~\~\~)_i
I - 1.53 - 1.00
I. ...... ........ 1.20
- 2.01
- 1.66
I 11. uu
- 0.35
1:. ....
I+ II.04
:- 1.1s
- n. 1!1
I ....... - 0.15
- 1.(U
2. 17 I-.....
0.6s
:- 1.66
(i. 71
..... 55.4
8s. 4 80.6 63.6,
56.2
57.2
BO. 9 59.0
IU.0 61.2
63. (I
63.5 63.6 61.4 73.2
62.8
5Y.4 56.4 5s. 0
s4. Y
56.2 51.5
65.3
ss. 4
63. II
6B. 4 64.2
65.6 65.2
63.3 62.6 52.4
eo. 8 81.2
58.6 59.4 64.0 61.7 57.1
64. B 58. I
58.3
62.3
61.2
......
.....
......
...... + 5.6 +1u. 2
+ 1.7
+ 0.5
...... ...... ...... + 1.6
+ 3.6
- 0.4
+ 2.9
+ ?.!I
- 1.4
+ 2.7
+ 1.5
+ u.2
+ 3.5
+ 4.2
+ 1.3
+ 1 .3
+ 7.s
+ 3.9
+ 3.3
+ 3.1
+ 4.9
+ 2.9
+ 2.2
+ 2.8
+ 1.9
+ 3.6
+ 4.5
+ 3.5
+ 3.4
+ 7.5
+ 1.4
+ 3.1
+ 5.5
+ 5.9
...... ......
......
......
......
......
......
......
......
..... I .... I ..... 04 ' 2.1 ' 30
97 247 34 102 24 96.11 24 i 89 I 91 I
42
411'
36
31
44
46
47 37 41 36
40
35
40
85 34
36 36
46
44 44 21 43
If 41 43
45 41
42 31
44
42
35 3s
37 47 46 39 3s
...
80
I .
ii i.ii.1 ilji
4 ; .... lI.34 i ? ! 3s n 27
1 29 0 :O i
12 54 0.26
9 43 j 0.12 i I 5 3 o .~ 11 45 0.26
11 QY T. in I _.: 0.w 12 I 511 , 0.32 16 14 : 0,"s 7 t 47 n.81 11 3 3 , 1.46
41 41) 1.17
24
~
3Y
~
0.39 311 45 0.81
41 55 T. 3 31 I C.15
29 I S? : 0130 311 I 29 . 0.43
1t1 51 0.18
b 28
~
1.01
49 32 0. I1 4 I 31 0.1s 7 45 (1.57
11, 511 0.14 2 34 0.U8 1s 32 ' 0 31
2 52 ! n'na
ISII 2s I 0.14
3
~
34 i 0.33 12 4s 10 25
!ti 39 n.m
29 I 44 , 0.10
29 i 13 Io:r1
.... n. o
n. 0
n. o
n. n n. 0
0.0
0.0
0.0
(1. 0
0.0
0. (I
0. II
0.0 0. 0 0. II
0.0 0.0 0.0
0.0
0.0
0.0 0.0 0.0
0.0
P.0 0.0
0.0 0.0
0.0
0.0 0.0
0.0
0.0
u. 0
0. n u. 0
n. 0
n. 0
n. 0
....
.... .... 0.0
0.0
0.0 0.0
c. 0 0.0
0. 0
0.0 0.0
0.0
0.0 0.0 0.0 0.0 0.0 0.0
0.0 0.0
0. n
0. n
......... !I3 24
&9 i 22 I
1m I23
05 I "3t/
84 I Et,
lLll 2 4 ,
81 24
84 23
101 I 15 SI 24
88 I 231
lM1 23 101 ' 24 ! 96
~
24
83 32 I
w2 I 43
x i 21 93 23 I
98 I j 103 23t, 96 23 i
87 23 101 I 34 I
90 i 23 I
G. H. Shinn. Southern Pacific Co. Chabot Observatory. H. D. Brodie. W. H. Duncan. W. W. Patch. Fred T. Hale. E. D. Fairchild. Miss Hettie noalt. Southern E. R. Sorver. Pacific Co.
Dr. F. W. Sawyer. E. H. Parnell. Tuolumne W. P. Co. A. Baring-Gould. John Hyslop. U. S. Weather Burenti. Harry E. Cowip. D. N. Ropers. U. S. Weather Bureau. L. F. Bnssett. Paul W. Moore. Santa Fe Go. So. California Edison Co
C. W. Barton. Southern Pacific Co.
Dr. R. Callahan. U. S. Weatber Burenu. S. H. Gerrish. R. F. Iit=ttlewell. Misa E. Ruth Abbott. Dr. A. Ii. Johnson. U. 8. Weather Burenu.
.... n. 13
G.11 0.17
0.37
0.26 0.32 T. 0.01 0.22
0.37
r. 20 0.31
0.18
0.06 1.80
0.09 0.24 0.81 0.40
0. OB 0.25
0.05 0.75
.... ....
\
4 18 6 ..............
:Id i!,:
.....I ......... 96 23 42 .. I .... i ...... I .......
8 :....I 0.22 . 0.26
.. I ....! ...... 1.. .....
12 ' 43 0.33 - 1.74
13 I .... U.13 ,- 1.83
.....I .......... ...I ........... ...............
;l;:l ;I ::
Do. U. 9. Weather Bureau. Charles P. Jones. Butte County R. R. Co. State Hos ital. Santa Fe 80. Southern J. H. Lowry. Pacific Co. ..... I ........ I ...... .... ...... ......
MONTHLY WEATHER REVIEW.
TABLE l.-Climatdogical data for Aprd, 1910. Diatrid No. If-Continued.
- 2.23
- 1.54
............ ...... - n. 45
-1.3s - (I. 67
APRIL, 1910
(1. I8 (1.30
11.12 ' n. ifi n.?s 0.011
... ____~ __ --
$, I Temperature, in degrees Fahrenheit. Precipitation, in inches.
s
2
0
.- c
c W
Q
7,017 4.175 8, OOo 3,964 220 870 3.704 e4 620
1.750 1,350 175 673 334 3.165 336 23
w)
84 136 3.845
Stations. Counties. bE Obaervers.
.- a
- ... .~
I
5 bo
; -
37 21 4 33 39
24 30 17 13 25 22
21 22 2 10
14 21 23 31 6
s
P aJ
s -
24
211
11
G I
3' 4s 34 39 3s 37 53
36 31 45 52
41 28
....
4n
....
4n
....
d
d -. -
43.4 49.4 49.2
72.1 65.6
53.6 60.4 5s. S 62.0 56.2 59.8 66.3
59.1: 59.3 59.6 67.9
GO. 5 81.0
53.0
sing
.....
.....
f n -.
25
?4i
19
24 54 24
53 23 24 24 53 23
24 ?.I
9%
2 3 "3 23 5%
Q
-
11. GH
0.6"
II. 18
I I . 54 2.27
n. 118
....
n. IUI
n. sfi
n. 51)
n. LH
n. 12 n. iti
0.21
0.59
....
11.31
11. 1111
(I. 25
II. 18
1.15
-
8.0
u. n s. n
n. n n. n
0. n
0. II
0. 0
n. II
11. n 0. n 0. n n. n
...
IJ. I1
0.0
u. 0
0.0
....
11. u
0.0
I
-
2 8 13 0 G : 3
(I ! 5 7 . 4 - 5 4 11 2
4 s 15 ' 1
...I...
i n ' 2
71 3
I S , 7
...... ....... 0 3
I I ' 9
li !I
2 i D
16 C
I -
! I 3'3 29
5 40
3n ; 19
I2 .... 3t 51 ?!I I 39
st .... 7 50
'7 46 Jt 39 15 45 llt ....
I 43 IIt 49
4t 4% I 1 ...
3 JG
4t 54
.......
.......
4t 37
...
I sw. Southern Pacific Co. Jamas Branham. William Bennett. Southern Pacific Co. nn.
California-Cont'd. Summit ................. Susanville .............. Tamarack. ............. TBhachapi .............. Tehama.. ............... Three Rivera.. .......... Towle ...................
Upland.. ...............
VaCav1lle. ..............
vialie.. ................ Warner Springs.. ....... wsaco. ................. Watnonville ............. Wedey. ................ Wheatland.. ............ willows ................. Yoeemlte.. ..............
Tract. ................. ..................
Uppe.r.Lake.. ...........
Valley Springs. .........
- 4.51 n.Bo
- 1.29 n.07
....... 0.10
Placer. .............. Lasaen. .............. Alpine. .............. Kern.. ............... Tehama ............. Tulare ............... Plaeer ............... $an Joaquin ......... Yendocino.. ......... San Bernardino.. .... Lake ................. Solano.. ............. Calveras.. ........... Tulare ............... San Diego ........... Kern.. ............... Santa Cruz.. ......... Stanislaus. .......... Yuba.. .............. Glenn.. .............. Mariposa. ............
+ t.7:g.l 2.1 85 ::
nu'. aw.
n.
n.
nw.
nu..
....
uw.
nw.
U' .
SW.
.......
2 ' 17 2 I 90
1 27
" 11
... 1 I :::
I1 I 27
; 1 ;;
I l4
........... +l l .7 x7
....... 99
+ 3.5 85
- 0.5 40
+ 3.8 92
+ 4.6 98
+ 1.6 67
+ 0.8 9%
+ 0.1 9%
...... 91
n. I I R!I
+ 3.n s!l + 8.7 92
+ 2.1 h8
+ u.7 49
...........
.......I 89
--
)m the recori
E. Dr&ton: Southern Pacific Co. Do. Dr. George YcGowen. A. P. Hamood. C. M. Hammond. G. 0. Coburn, nw. , Southern Pacific Co. ..... ..... .....
\h' . 11.
S.
se.
LIW.
Santa Fe Co. MIS. E. F. Sanford. Santa Fe Co. Spreckels sugar co. Southern Pacific Co. Wm. Lumbard. M. T. Rarrindon. Jr.
C. W. Tucker.
... I ...
a. b, :..etc:. indicate, respectively, 1.2.3. etc., days i
Preeinitation included in that of the next measwen: It. ,he dry-bulb; means are computed from obaerved readings. .+ TPGkature extremes are from observed readings (I
t lilw&iotiirhatea.
~
-
Separate datc9 of falls not recorded. Data are from standard instruments not supplied by the U. 9. Weather Bureau. Inupuments are read in the morning: the maximum temperature then read is charged to the preceding day, on which i t almost always occurm. Estimated by observer. Precipitation for the 24 hours ending on the morning when it is measured. Precipitation in leas than 0.01 inch rain or melted snow.
A m , 1910. MONTHLY WEATHER REVIEW. 635
TABLE 2 -w ~ praipitdon for April, 1010. Dirlrid No. 11, Cdqwnia.
Day of month.
Btatlolu Rlver bambu.
........................ ................ T. .... 0.23
42-9
MONTHLY WEATHER REVIEW. APRIE, 1910
Sktlons.
Glennville ............. Ghwood.. ........... Gold Run .............
~
.~~
~~
Gonzales.. ............ Grass Valley.. ........ Greenville.. ........... Gridle ................ Groverand. ............ Guinda ............... Hanford. ............. Head Dam ............ Healdsburg ........... Hearat.. .............. Heber ................. Helen Mine. ........... Hesperia.. ............ Holcomb .............. Hollister .............. Hornbrook.. .......... Hot Springs ........... Hullville .............. Idyllwild.. ............ Independence. ........ Indio.. ................ Inakip.. ............... Ione. .................. Iowa Hill .............. Isabella.. ............. Jacksonville. .......... Jamestown. ........... Jenny Lind.. ......... Johnaville.. ........... Jolon. ................. Julinn.. ............... Kennedy Mine.. ...... Iiennett.. ............. Kentfield.. ............ Kernville .............. King City ............. Kninhta Landinn.. ....
Lakeside.. ............ La Por te... ........... Luthrop.. ............. Laurel.. .............. Laytonville ........... Is Grand. ............ Lemon Cove.. ........ ratter Box.. .......... Lick Observatory.. ... Livermore.. ........... Lodi.. ................. Lone Pine ............. Long Camp. .......... Lon Valley ........... Lorgburg ............ Loa Alam os... ........ Los Angelea.. ......... Los Banos.. ........... Los Burros Mine.. .... Los Gnt os... .......... LorVn ueros ......... LO- O%aervatory. ... L IeCreek ........... 8 cCloud.. ............ Macdoel. .............. Madeline.. ............ Magalia.. ............. MammothTank ...... Mariposa.. ............ Maryaville.. ........... Mecca.. ............... Melones.. ............. Menlo Park.. ......... Mereed.. .............. Merced Falls.. ........ Mesa Grande. ......... Mill Creek (1) ......... Mill Creek (2) ......... Mills College.. ........ Milo .................. Milton (near) ......... Modesto. .............. Mo ave ................
Mono Ranch .......... Montague.. ........... Monterey.. ............ Monterio .............. Montgomery Creek.... Monumental. ......... Morena Dun .......... Mount Tunalpais ..... Mount St. Helena.. ... Napa Ci ............ N a p @%.) .......... Nendle~. .............. Nellie.. ............... Nevada Citv .......
Mokelumne Hill .......
APRIL, 1910.
~
Calqornia-Cont'd. Newcastle.. ............ Newhall.. .............. Newman.. ............. Nimshew.. ............. North BloomLld.. .... North Fork.. .......... North Lakeport ........ Oakdale. ............... OakGro ve... .......... Oakland. .............. Oakville.. .............. Oceanside.. ............ Ojai Valley ............. Orland.. ............... Orleans.. ............... Oroville.. .............. Oiena.. ................ Palermo.. .............. Palm Springs ........... Parkfield.. ............. Pasadena. ............. Paso Roblea.. ......... Peachland .............. Penstock Camp.. ...... Peyton ................. Phoenix Dam.. ........ Pilot Creek ............. Pine Crest .............. Pittville. .............. Plaeerville ............ Point Lobos.. ......... Point Loma ............ Point Reyea ............ Pollasky.. ............. Porterville ............. Priest Valley.. .........
Reddin ............. Redlang;. ............. Reedley ............... Represa.. .............. Rialto (near). .......... Rio Vi+. .............. Riverside.. ............. Rocklin.. ............. RohnerviUe.. .......... Round Valley .......... Sacramento (1). ........ Sacramento (2). ....... Saint Helena ........... Salinas.. .............. San Bernardino.. ...... Sen Diego ............. Sen Francisco .......... San Jacinto ............ San Jose.. ............. San Leandro.. ......... San Luis Obispo. ...... San Mako.. ........... San Miguel.. ........... San Miguel Island.. .... Sauger:. ............... Santa Ana River. ...... Santa Barbara.. ....... Santa Clara.. .......... Santa Crus.. ........... Ssnta Margarita.. ..... Santa Maria.. ......... ., Santa Monica.. ....... .' Bents Rosa.. .......... .I Sawalito ............. .I Selma .................. Seven Oak ........... Shasta.. ............... Shingle Springs.. ...... Sierra Madre ........... Sierraville ............. Sisquoc Ranch.. ....... Siason.. ................ Soledad.. .............. Sonora.. ............... Southeast Farallon.. .. SpFokels.. ............ .I
Squirrel Inn ............ Stirling Cit 8.': ........ Stwkton ( H ).. ..... storey.. ............... Suisun.. ............... Summerdale. .......... Summit 1) ............ summit L?).. .......... surrey. ................ Swanville.. ............ Tamarack.. ............ Tehachipi.. ............ Tehama ............... Three Rivers.. ......... Towle.. ................ Tracy.. ................ Tu+. ................ .I Tustin (near).. ........ Ukiah. ................. Upland.. ...............
c#mg....: ............. .............
MONTHLY WEATHER REVIEW. 637
TABLE Z-Dailg ptecipitdion for April, iOi0. Dietrid No. if-Continued.
~~
I Dsy of month.
..................
MONTHLY WEATHER REVIEW.
stat10lu. ,
............ ............ ...............
Upperklra Uppsr.Matole. Vsaaville V&y Spring&.
Vidia. ................ W- ......... W v a o .................. Wataonville.. .......... Weawrville ............. Weitoh peo... ........... WatBranoh ...........
WmtPoint .................
Wmtley.
we& satiaoy.. ......... +a t l d .. ........... W f l m .. .................. Woodleaf.. ................ YmpIte ............... Ywupa.. .............
.......
Cdifomia-Coot’d.
Ventwa ................
...............
APRIL, 1910
Day of month.
~-
~
-- Rlvex bad-
....
.... .... .... .... .................. ....... .. .I 8 .03 T. 0.21
Coart 0.68 .do.. 2.87
0.W ....... .......... ........
................................. ........... 8an Joaquin.. .. Coaat.. ................................................. 0.31 Sacramento.. Klamath.. .......... .O? .39.. ...................... ............ Iscramento ......................................... .... ................ ....
do ........................ T. .... .51 .03 .03 .... 1.50 San Joaquin..
&&la.. ............ ... .!. ....................... 0.36 Saoramento.. .. T. .... 0.24
San Joaquin ................ T. T. .73. ... T. T. .... 1.16 Coaat.. .07 .03 .02 ............ 0.48
do.. T. .... 0.16
do .............,.. .... .................
- _- I ~-
APRIL, 1910. MONTHL-WEATHER REVIEW. 639
l ... 2... 3 ... 4 ... K...
B... 7 ... E... B... 10 ...
TABLEI 3.-Maximum and minimum &mperdurea d selcded stations for April, 1810. Dislzid No. 11, California. - __
Cdlfornla.
61 64 65 64 64
65 59 70 61 64
74 72 75 66
65
68 72 76 76 75
64 67
78 72 76
37 38 42 35 35
39 39 41 45 43
41 36 42 50 44
70 75 85 86 87
73 83 a4 83 76
43 45 47 47 48
46 42 44 50 53
I1 ... 12 ... 13 ... 14 ... 15 ...
16 ... 17 ... 18 ... 19 ... m...
85
63 Bo 62 68
74 79 80 79 67
a4 88 97 99 86
38 43 46 48 51
77 81 84 83 77
79 79 83 86 88
44 42 44 52 52
45 45 44 44 44
21 ... 22 ... 23 ... , M... 25 ...
71 80 82 86 80
88 90 98 96 99
95 95 85 81 78
35.0
45 42
46 48 52
55 54 56 49 54
47.3
...........
~.
26 ... 27 ... 28 ... 29 ... W... 31..
89 80 78 76 70
......
87 78 77 72 74
75.8
49 54 Bo
41 4s
...........
43.9
30 35 34 27 28
35 28 29 30 32
68 68 50 59 56
01 69 Bo 67 61
1 ................ 2 .. .............. 3 ................ 4 ................ 5 ................
6 ................ 7 .. .............. 8 ................ 9... ............. 10 ................
81 78 62 80 67
59 75 80 73 72
74 36 72 34 50 49
28 30 32 34 32
54 67 66 Bo 65
11 ................ 12 ................ 13 ................ 14 ................ 15 ................
I6 ................ 17 ................ 18 ................ 19. ............... m... .............
57 63
66 71 82
85 93 95 86
R1
Kt
83 68 64 75
77 82 90 88
us
41 43 44 44 45
40 42 46 47 47 42
46 42 36 24 24
83
78
6Y 61 61 57
26.. .............. 27.. .............. 28 ................ 29 ................ 30 ................ 31.. ...................
Means.. ..........
89 87 81 74 73
79.8
I
-
Kin
29 31 33 27 18
31 39 32 32 45
33 32 23 39 24
31 39 39 50 36
31 30 39 40 45
30 54
Bo Bo 29
$5.
__
....
- -
-
Kin
-
29 38 24 18 23
40 30 28 33 32
30 23 23 18 20
25 25 30 42 36
24 27 32 28 32
40 33 34 19 35
!9. E
....
- -
-
Jdln.
__
38 38 31 35 37
32 30 34 36 40
39 34 37 34 40
39 38 43 38 38
36 35 47 46 34
34
35 33 34
36.7
38
.....
-
_.
Kln
43 47 59 55 50
68 52 56 60 53
55 48 48 51 54
43 48 50 53 64
59 55 54 58 57
65 58 65 01 Bo
i4.i
__
....
_- -
__
dln
-
50 50 50 48 46
60 47 48 49 53
45 48 49 57 53
55 65 58 55 46
56 58 55 88 56
49 54 47 48 55
i2.2
...
- __
-
Kin
-
50 48 44 48 50
53 47 45 48 48
47 4s 49 48 49
52 55 55 53 48
50 54
57 63 55
51 54 49 45 51
io. i
....
__
d1n.
43 41 37 50 45
46 46 48 43 41
37 43 48 50 59
61 61 54 42 44
53 64 88 53 40
40 38 38 42 39
L7.1
__
...
-
Kin,
36 39 33 30 38
41 35 37 38 37
37 31 34 33 33
37 42 41 43 39
36 41 41 42 45
43 43 39 31 42
37.9
-
....
-
din
48 48 48 46 52
53 48 50 48 49
52 48 51 47 51
47 53 55 46 45
50 56 58 56 50
54 54
46 44
io. E
-
48
....
-
Kax.
56
50 50 68 67
61
68 71 67 61
80 65
61 61 74
79 83 83 78 64
77 83 85 87 82
77 70 60 60 55
68.7
-
.....
- -
_. _
Kai
__
59 47 62
70 67
I 63 64 50
58 61 64 70 79
78 75 75 79 79
84
87 86 71
71 57 55 52 51
57. I
87
....
-_ -
-
hiax.
90 90 84 83 81
82 87 90 90 91
76 76 81 86 80
86 94
101 95
97 100 104 106 103
102 101 95 91 94
91.2
-
loa
....
__ -
-
Lax.
73 68 65 68 68
69 69 71 7u 66
62 73 76 75 79
78 82 82 76 71
81 84
88 87 83
72 71 64
71 69
73.7
-
.....
- -
-
681
54 52 51 58 51
53 57 57 60 65
60 53 52 53 57
54 63 54 58 58
53 55 55 53 Bo
53 54 53 58 58
i5. :
-. -
....
__. -..
-
Ma1
80 72 68
73
72 77 82 81 72
64 70 74 77 83
88 93 95 84 75
86 95 1 1Ul 91
78 73 70 75 75
80. 1
-_
78
....
- -
-
d m
-
83 88 83 74 64
64
66 65 64 64
60 64 65 64 74
82 90 84
71 73
87 99 100
90 76
78 77 67 68 68
r3. i
....
._ -
_.
da1
67 57 69 71 74
67 71 72 71 Bo
54 68 71 78 80
80 83
a4 73 68
80 89 93 94 88
74 68 Bo
57
72. I
__
e6
....
-
Kax.
81 81 76 77 69
70 82 81 81 76
67 68 76 79 92
92 91 88 85 86
94 100 101 93 77
75 56 75 74 76
SO. 6
-
.....
-
Kax
-
71 64 66 73 74
69 70 72 65 Bo
60 78 75 76 83
80 87 8rl 74
72
86 87 92 9!2 76
75 70 66 7u 70
14. t
....
-
din.
-
52 50 43 49 48
51 50 49 -50
w
48 47 53 54 50
52 54 66 56 48
54 54 56 58 57
53 53 49 48 52
il. 5
.....
-
idax. I Mln. kfax. Yln. Ea1
58 49 57 62 55
55 59 60 57 45
45 60 64 65 72
71 74 70 55 59
69 79 83 77 58
57 53 51 55 49
80. S
_.
....
Kln.
53 53 56 55 54
53 48 51 54 53
50 47 53 48 51
55 57 55 49 49
56 64 67
59 51
51 54 54 49 53
53.4
-
....
Mln.
-
46 43 38 40 45
42
44 48 50
48 47 47 41 44
48 45 46 48 49
49 4s 48 48 4s
44 47 45 44 47
15.4
4n
.....
-.
-
38 49 50
42 bo
.
I
80 81 76 77 76
Mns 71.2
I _.
Cdlfornla.
-~ . - I idax. Mln. I Max.
I
-~
Jdln. ' Max.
. .-
din.
47 47 52
50
54
53 47 53 54 53
51 47 46 43 46
47 48 5G 51 47
49 50 54 54 52
51 50 50 46 46
49.5
....
_. .
-
Kin.
30 30 31 28 40
33 36 35 35 34
32 28 30 32 33
33 35 34 37 35
32 35 34 33 34
35 33 30 31
84
53.2
.....
-
I-
- -
Ka1.
69 67 66 56 64
72 73 75 66
65
55 64 70 78 80
81
80 81 80 7c
82 89 87 87 86
76 59 61 69 80
72. 9
-
....
-
-
Kax.
__
42 45 40 35 53
53 56 57 58 40
48 52 52 48
55 63 63 67 52
57 58 58 70 71
67 67 50 50 48
54.0
42
....
-
dax.
69
63 64 69 68
66 69
71 70 59
61 71 75 73 79
80 81
80 65 70
80 85
87 89 65
69 59 66 69 65
71.2
-
.....
-
-
fax.
61 57 62
74 61
57 57 60 58 58
54 62
64 71 79
76 74 58 61 63
72 86 87 72 58
61 65 57 Bo 58
54.3
-.
....
-
-
Uln.
.-
50 49 48
5U
52
50
48 49 50 51
48 49 5u 50 52
49 47 48 50 51
54 61
49 50
50 48 48 47 50
49.9
50
....
dux. 1 Mln. i Max. Kin. Max.
-_
Yln.
54 47 54 55 55
53 51 52 55 55
54 49 52 53 55
52 55 55 51 52
54 61
64 61 56
56 55 58 55 *
53
54.3
-
.....
Kax.
77 59 60 64 63
63 63 61 62
62
61 61 63 62 71
76 79 74 66 67
81 95 98 83 64
88 72 69
66
65
B9.1
....
__
dln.
50 48 48 47 54
50 46 45 48 51
46 47 49 53 54
53 57 53 49 47
48 58 63
58 50
50 50 46 44 48
io. 3
....
-
I Max. Uln.
31 29 45 31 31
36 31 44 43 34
30 3u 33 31 31
38 35 36
36 30
34 38 36 40 41
36 34 30 29 30
33.8
....
din.
50 48 44 38 47
47 46 44 44 46
47 45 45 48 48
50 54 53 48 48
47 53 54 56 48
52 50 47 48 52
i9.0
__
....
-
-
g 31 46 20
41 36 35 40 34
34 32 32 29 26
33 38 40 45 38
33 36 41 40 43
40 39 29 3c 39
11.2
....
__
-
46 45 54 47 47
48 43 45 53 47
48 41 48 51
48
47
48 51 52 44
50 50 ' 54 57 57
49 52 53 42 45
P . 7
....
-
__
78 7s 65 87 82
81
07 88 88
80
63 70 64 65 75
80 80
73 74 81
87 06
97 76 70
72 75 69 75 74
12.9
....
-
-
65 60
59 67 68
67 67 67 67 67
66 67 88 68 77
82 83 78 68 67
77 85
89 70
65 58 Bo 66
69
69.8
88
....
...
70 63
66
75 67
65 64
66
66
61
56 86 72 74 84
82 84 68 70 68
77 88
w 84 64
65 59 62 68 &I
70.4
.....
-
..
45 51 4s 43 51
49 47 JB
48 4s
44 44 45 4s 48
45 43 45 47
5U
54 54 55 48 48
48 46 46 49 47
47.4
.....
-
7s A3 81 6s 57
81 74 70 58 56
55 58
70
73 76
80 76 R7 64 70
nn
45 43 40 41 46
46 40 45 47 51
47 46 41 41 43
43 47 50 51 48
..
51
59 69 64 64 51
50 49 61 80
60
68 74 70
62
74 78 78
79
77
75 70 62 Bo
53.0
70
78
....
-
58 1 45 69 ! 37
83 E' i
21.. .............. 22. ............... 23. ............... 24. ............... 25. ...............
94 98 100 99 92
45 . .
45 95 54 06 52 78
49 I 71
48 [ 63 44 64
38 I 64
52 I 61
..........
16.0 69.2
45
i
7u 41 63 44 66
~
43 68 35 67 50
..........
70.8 41.9
...........
32.7 67.5
-. -