Climatological Report (Monthly)
Issued by NWS
Issued by NWS
149
CXUS55 KCYS 020357
CLMDGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
957 PM MDT WED OCT 01 2025
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...THE CONVERSE CO (DOUGLAS) WY ARPT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 101 09/04/2022
LOW 14 09/25/2000
HIGHEST 92 09/11 MM MM 94
LOWEST 34 09/06 MM MM 33
AVG. MAXIMUM 78.8 76.6 2.2 84.2
AVG. MINIMUM 46.2 42.6 3.6 44.3
MEAN 62.5 59.6 2.9 64.3
DAYS MAX >= 90 2 3.8 -1.8 10
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 2.7 -2.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.86 2023
TOTALS 3.21 0.97 2.24 0.41
DAYS >= .01 8 7.2 0.8 5
DAYS >= .10 4 3.0 1.0 1
DAYS >= .50 2 0.4 1.6 0
DAYS >= 1.00 1 0.0 1.0 0
GREATEST
24 HR. TOTAL 1.83 09/16 TO 09/17 0.27 09/17 TO 09/17
DEGREE DAYS
HEATING TOTAL 96 197 -101 78
SINCE 7/1 110 233 -123 MM
COOLING TOTAL 28 35 -7 63
SINCE 1/1 541 512 29 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.3
HIGHEST WIND SPEED/DIRECTION 32/290 DATE 09/12
HIGHEST GUST SPEED/DIRECTION 40/290 DATE 09/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.20
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 57
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 2
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 2
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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