11424000 BEAR RIVER NEAR WHEATLAND, CA. Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 1963, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 92.8 184 565 826 1240 1033 770 306 79.0 12.6 16.7 18.4
MAX 1348 1980 3501 3004 3360 2918 2553 939 245 55.4 148 215
(WY) 1963 1951 1956 1956 1936 1938 1958 1942 1932 1952 1935 1935
MIN 2.05 9.14 21.3 68.0 156 192 11.3 .57 .71 .53 .65 .30
(WY) 1961 1960 1960 1947 1933 1933 1959 1959 1959 1959 1939 1939
SUMMARY STATISTICS WATER YEARS 1930 - 1963
ANNUAL MEAN 424
HIGHEST ANNUAL MEAN 891 1951
LOWEST ANNUAL MEAN 70.0 1933
HIGHEST DAILY MEAN 22100 Dec 23 1955
LOWEST DAILY MEAN .00 Sep 18 1939
ANNUAL SEVEN-DAY MINIMUM .00 Sep 18 1939
INSTANTANEOUS PEAK FLOW 33000 Dec 22 1955
INSTANTANEOUS PEAK STAGE 20.83 Nov 21 1950
ANNUAL RUNOFF (AC-FT) 307500
10 PERCENT EXCEEDS 1060
50 PERCENT EXCEEDS 77
90 PERCENT EXCEEDS 3.6
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 2000, BY WATER YEAR (WY)
MEAN 23.0 143 456 987 1303 1184 740 252 72.7 19.6 15.7 16.2
MAX 263 1606 2668 3954 5201 3845 3796 1035 484 72.6 29.5 73.2
(WY) 1999 1984 1984 1997 1986 1983 1982 1983 1998 1995 1967 1998
MIN .002 .056 .000 .14 .62 1.07 .60 4.05 3.17 2.95 4.72 1.31
(WY) 1978 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1966 - 2000
ANNUAL TOTAL 209835 177757
ANNUAL MEAN 575 486 430
HIGHEST ANNUAL MEAN 1191 1983
LOWEST ANNUAL MEAN 3.42 1977
HIGHEST DAILY MEAN 10400 Feb 9 13300 Feb 14 35900 Feb 17 1986
LOWEST DAILY MEAN 11 Sep 22 12 Oct 4 .00 Oct 14 1976
ANNUAL SEVEN-DAY MINIMUM 12 Sep 21 13 Sep 23 .00 Oct 29 1976
INSTANTANEOUS PEAK FLOW 15700 Feb 14 48000 Feb 17 1986
INSTANTANEOUS PEAK STAGE 16.28 Feb 14 23.72 Jan 2 1997
ANNUAL RUNOFF (AC-FT) 416200 352600 311400
10 PERCENT EXCEEDS 1780 1360 1240
50 PERCENT EXCEEDS 25 19 23
90 PERCENT EXCEEDS 15 15 8.2