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PERIOD: AUGUST 1987 - 1996
Location: FPK Khyber Pass 1 ICAO:
Latitude: 34.10 Longitude: 71.10 Elevation:1047.0 m
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1. CLOUD AND PRECIPITATION AVERAGES
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TIME |# CASES| Low |Middle| High | Total | Pcpn | Pcpn Amt | Snow |Snowfall|Snow Depth
UTC | | % | % | % | % | % | inches | % | inches| inches
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1 | 2430 | 12 | 20 | 23 | 29 | 7 | 0.06 | 1 | 0.1 | 0.0
2 | 2430 | 13 | 21 | 23 | 31 | 7 | 0.06 | 1 | 0.2 | 0.0
3 | 2430 | 14 | 22 | 24 | 31 | 8 | 0.06 | 1 | 0.1 | 0.0
4 | 2430 | 14 | 22 | 23 | 32 | 8 | 0.06 | 1 | 0.1 | 0.0
5 | 2430 | 14 | 22 | 22 | 31 | 9 | 0.06 | 1 | 0.1 | 0.0
6 | 2430 | 14 | 20 | 21 | 30 | 9 | 0.06 | 0 | 0.1 | 0.0
7 | 2430 | 13 | 19 | 20 | 29 | 8 | 0.06 | 0 | 0.1 | 0.0
8 | 2430 | 12 | 17 | 20 | 28 | 7 | 0.04 | 0 | 0.1 | 0.0
9 | 2430 | 11 | 16 | 20 | 27 | 7 | 0.04 | 0 | 0.0 | 0.0
10 | 2430 | 10 | 14 | 18 | 24 | 5 | 0.05 | 0 | 0.0 | 0.0
11 | 2430 | 10 | 15 | 19 | 25 | 6 | 0.05 | 0 | 0.0 | 0.0
12 | 2430 | 10 | 17 | 20 | 26 | 6 | 0.06 | 0 | 0.1 | 0.0
13 | 2430 | 11 | 19 | 21 | 28 | 6 | 0.07 | 0 | 0.1 | 0.0
14 | 2430 | 11 | 21 | 22 | 30 | 7 | 0.07 | 0 | 0.1 | 0.0
15 | 2430 | 12 | 23 | 22 | 31 | 7 | 0.07 | 0 | 0.1 | 0.0
16 | 2430 | 13 | 23 | 22 | 31 | 8 | 0.07 | 1 | 0.1 | 0.0
17 | 2430 | 14 | 23 | 21 | 31 | 9 | 0.07 | 1 | 0.1 | 0.0
18 | 2430 | 14 | 23 | 21 | 30 | 9 | 0.07 | 1 | 0.1 | 0.0
19 | 2430 | 14 | 22 | 20 | 30 | 8 | 0.07 | 0 | 0.1 | 0.0
20 | 2430 | 13 | 21 | 20 | 29 | 8 | 0.06 | 1 | 0.1 | 0.0
21 | 2430 | 13 | 20 | 20 | 29 | 7 | 0.06 | 0 | 0.1 | 0.0
22 | 2430 | 12 | 17 | 19 | 25 | 6 | 0.06 | 0 | 0.1 | 0.0
23 | 2430 | 12 | 18 | 20 | 27 | 6 | 0.06 | 0 | 0.1 | 0.0
24 | 2430 | 12 | 19 | 22 | 28 | 7 | 0.06 | 1 | 0.1 | 0.0
MONTH |58320 | 12 | 20 | 21 | 29 | 7 | 0.06 | 0 | 0.1 | 0.0
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Variable Description
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Precip Freq of all precip by hour
Precip Amount Avg amount of precip for nonzero hours
Snow Freq of snow by hour
Snowfall Avg amount of snowfall precip for nonzero hours
Snow Depth Mean Snow Depth by hour
Monthly values are averages of all hours of the month except for precipitation,
which are for the nonzero hours only.
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2. TEMPERATURE, HUMIDITY, WIND and MSLP AVERAGES
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TIME |# CASES| T Avg| T max| T Min|DP Avg|DP Max|DP Min|RH Avg|DIREC |SPEED |SPDavg|MSLPavg
UTC | | degF | degF | degF | degF | degF | degF | % | | knots| knots| mb
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1 | 2430 | 62.9 | 92.2 | 27.2 | 32.0 | 66.0 |-14.0 | 36.3 |315.0 | 7.1 | 6.4 |1011.1
2 | 2430 | 62.7 | 92.2 | 26.6 | 32.6 | 66.9 |-14.3 | 37.0 |315.0 | 7.2 | 6.5 |1011.6
3 | 2430 | 63.2 | 93.1 | 26.2 | 32.9 | 67.1 |-14.4 | 36.9 |315.0 | 7.6 | 7.0 |1011.8
4 | 2430 | 64.3 | 94.9 | 26.9 | 33.5 | 68.1 |-13.9 | 36.6 |315.0 | 7.7 | 7.0 |1011.1
5 | 2430 | 65.9 | 97.2 | 28.7 | 34.2 | 68.3 | -6.2 | 36.0 |360.0 | 6.7 | 6.9 |1009.9
6 | 2430 | 67.9 | 99.8 | 29.8 | 34.8 | 68.1 | -2.2 | 34.9 |360.0 | 6.5 | 6.5 |1009.2
7 | 2430 | 70.0 |102.8 | 29.9 | 35.1 | 67.5 | 1.2 | 33.4 |315.0 | 6.9 | 5.7 |1008.7
8 | 2430 | 71.7 |104.4 | 30.5 | 35.0 | 66.6 | 1.7 | 31.7 |315.0 | 6.4 | 5.1 |1008.5
9 | 2430 | 73.1 |105.8 | 31.4 | 34.4 | 66.3 | 2.0 | 29.9 |315.0 | 6.2 | 4.8 |1008.6
10 | 2430 | 72.6 |104.3 | 31.2 | 33.4 | 65.9 | 2.2 | 29.4 |270.0 | 5.9 | 5.4 |1009.0
11 | 2430 | 73.3 |105.1 | 30.5 | 33.1 | 65.9 | 2.4 | 28.5 |270.0 | 7.0 | 6.4 |1010.4
12 | 2430 | 73.7 |105.4 | 30.6 | 32.6 | 65.8 | 3.9 | 27.9 |270.0 | 7.5 | 7.0 |1011.5
13 | 2430 | 73.5 |105.5 | 30.7 | 32.2 | 65.7 | 2.1 | 28.0 |270.0 | 8.1 | 7.3 |1012.1
14 | 2430 | 72.9 |105.1 | 30.9 | 31.9 | 65.7 | -2.0 | 28.4 |270.0 | 8.2 | 7.2 |1012.5
15 | 2430 | 72.0 |104.4 | 31.0 | 31.8 | 65.8 | -4.4 | 29.3 |270.0 | 8.1 | 7.0 |1012.1
16 | 2430 | 70.8 |103.2 | 31.1 | 32.0 | 66.0 | -6.4 | 30.6 |270.0 | 7.3 | 6.9 |1010.9
17 | 2430 | 69.5 |101.9 | 30.8 | 32.2 | 66.2 | -7.9 | 31.9 |315.0 | 9.9 | 6.9 |1008.9
18 | 2430 | 68.3 |100.4 | 30.1 | 32.3 | 66.5 |-10.1 | 33.2 |315.0 | 9.3 | 7.0 |1007.6
19 | 2430 | 67.2 | 98.8 | 29.4 | 32.3 | 66.6 |-11.4 | 34.1 |315.0 | 8.8 | 7.0 |1006.8
20 | 2430 | 66.3 | 97.4 | 29.0 | 32.2 | 66.6 |-16.5 | 34.6 |315.0 | 8.2 | 7.0 |1006.6
21 | 2430 | 65.4 | 95.9 | 28.7 | 32.0 | 66.4 |-17.0 | 34.9 |315.0 | 8.0 | 7.0 |1007.0
22 | 2430 | 65.1 | 95.3 | 28.7 | 32.3 | 66.3 |-11.3 | 35.3 |315.0 | 7.1 | 6.4 |1008.1
23 | 2430 | 64.4 | 94.2 | 28.6 | 32.0 | 65.9 |-15.7 | 35.3 |315.0 | 7.4 | 6.7 |1009.6
24 | 2430 | 63.8 | 93.1 | 28.1 | 31.7 | 65.7 |-15.1 | 35.3 |315.0 | 7.3 | 6.6 |1010.6
MONTH |58320 | 68.4 |105.8 | 26.2 | 32.9 | 68.3 |-17.0 | 32.9 |315.0 | 8.9 | 6.6 |1009.8
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Variable Description
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DIREC Prevailing Wind Direction by hour - direc bin with greatest freq of occurrence
SPEED Average Speed of Prevailing Wind by hour
SPD Avg Average of the absolute value of all wind speed observations by hour
Monthly Values averages the values of all hours except for prevailing wind speed which only uses
hours for prevailing directions.
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3. MONTHLY EXTREMES
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Precipitation | Snowfall | Snow Depth | Temp | Dewpt | Wind Speed *
inches | inches | inches | deg F | deg F | knots
max min 24h max| max min 24h max| max | max min| max min| max
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14.12 0.00 6.11 | 5.5 0.0 3.2 | 3.4 |105.8 26.2| 68.3 -17.0| 27.0
* Maximum Wind Speed is the maximum mean wind speed and does not include wind gusts
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Variable Description
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Precip/Snowfall Max/Min Max or min total precip/snowfall for the month during the POR
Precip/Snowfall 24 hour max Max precip/snowfall for a 24 hour period for month during the POR
Snow Depth max Max Snow Depth for the month during POR
Temp max/min Max or min temperature for the month during POR
Dewpt max/min Max or min dewpoint for the month during POR
Wind Speed max Maximum mean wind speed, does not include wind gusts
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4. STATISTICS FOR AUGUST BY YEAR
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|MeanWndVector|
YEAR|Tmax-A|Tmin-A| Tavg | Tmax | Tmin | DPavg| MSLP | Dir | Spd | Pcpn |Snowfall|Snow depth
| deg F| deg F| deg F| deg F| deg F| deg F| mb | | kts |inches|inches| inches
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1987| 593.4| 494.5| 69.7| 101.2| 34.5| 33.8| 1010.8| 305.| 3.8| 25.69| 0.0| 0.0
1988| 597.1| 500.2| 70.4| 105.5| 34.0| 33.5| 1008.8| 303.| 4.1| 24.63| 1.5| 0.0
1989| 565.6| 468.3| 66.3| 104.7| 27.3| 31.5| 1010.0| 305.| 3.5| 26.38| 7.7| 0.1
1990| 598.1| 502.2| 70.5| 105.7| 31.4| 34.0| 1008.8| 301.| 3.1| 23.30| 0.2| 0.0
1991| 573.4| 478.2| 67.4| 100.9| 28.0| 33.2| 1009.7| 309.| 3.6| 40.07| 3.0| 0.0
1992| 573.4| 476.4| 67.3| 101.8| 33.5| 32.8| 1010.4| 305.| 3.5| 39.11| 2.1| 0.0
1993| 587.1| 488.3| 68.9| 105.0| 28.9| 31.5| 1010.2| 305.| 4.0| 15.06| 4.8| 0.1
1994| 582.4| 487.1| 68.6| 105.8| 31.0| 32.7| 1009.4| 304.| 3.5| 25.69| 1.5| 0.0
1995| 572.9| 481.4| 67.6| 104.3| 32.3| 33.6| 1010.1| 301.| 2.8| 21.34| 0.1| 0.0
1996| 570.4| 473.4| 66.9| 104.4| 26.2| 32.1| 1009.5| 308.| 4.3| 23.33| 5.7| 0.1
MEAN| 581.4| 485.0| 68.4| 103.9| 30.7| 32.9| 1009.8| 305.| 3.6| 26.46| 2.7| 0.0
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Variable Description Variable Description
-------- ----------- -------- ------------
Tmax-A Mean daily maximum temperature Tmin-A Mean daily minimum temperature
Tmax Absolute max temperature for month Tmin Absolute min temperature for month
Tavg Mean monthly temperature DPavg Mean monthly dewpoint
MSLP Mean monthly SLP Pcpn Mean monthly precip
Dir Mean monthly wind vector direction Spd Mean monthly wind speed
Snow Mean monthly snowfall Snow depth Mean monthly snow depth
MEAN Give the monthly mean for the entire POR
Note: The "Mean Wind Vector" is the resultant wind vector of adding all the individual wind vectors.
So the easterly (northerly) component will cancel the westerly (southerly) component.