Issued by NWS Cheyenne, WY
000
CXUS55 KCYS 011346
CLMCYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
746 AM MDT WED OCT 1 2008
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...THE CHEYENNE WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2008...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2008
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 95 09/01/1995
LOW 8 09/30/1985
HIGHEST 81 09/26 71 10 86
LOWEST 34 09/29 44 -10 34
AVG. MAXIMUM 69.7 70.3 -0.6 72.0
AVG. MINIMUM 43.0 42.9 0.1 46.2
MEAN 56.3 56.6 -0.3 59.1
DAYS MAX >= 90 0 0.4 0
DAYS MAX <= 32 0 0.2 0
DAYS MIN <= 32 0 2.1 0
DAYS MIN <= 0 0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.52 1973
MINIMUM 0.00 1879
TOTALS 1.12 1.43 -0.31 1.23
DAYS >= .01 7 8.1 -1.1 9
DAYS >= .10 4 3.5 0.5 3
DAYS >= .50 1 0.9 0.1 0
DAYS >= 1.00 0 0.2 -0.2 0
GREATEST
24 HR. TOTAL 0.71 09/11 TO 09/12
SNOWFALL (INCHES)
RECORDS
TOTAL 11.8 MM
TOTALS T 1.6 -1.6 T
SINCE 7/1 T 1.6 -1.6 T
SNOWDEPTH AVG. 0
DAYS >= TRACE 1 0.9 0.1 1
DAYS >= 1.0 0 0.5 -0.5 0
GREATEST
SNOW DEPTH 0 MM 0 MM
24 HR TOTAL T 09/12 TO 09/12 09/02 TO 09/02
09/24 TO 09/24
09/24 TO 09/24
DEGREE_DAYS
HEATING TOTAL 253 255 -2 194
SINCE 7/1 317 326 -9 205
COOLING TOTAL 1 19 -18 25
SINCE 1/1 372 273 99 536
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WIND (MPH)
AVERAGE WIND SPEED 9.4
HIGHEST WIND SPEED/DIRECTION 35/280 DATE 09/22
HIGHEST GUST SPEED/DIRECTION 48/280 DATE 09/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) 77
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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