Climatological Report (Monthly)
Issued by NWS
Issued by NWS
960
CXUS55 KCYS 011628
CLMDGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1028 AM MDT THU OCT 01 2026
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...THE CONVERSE CO (DOUGLAS) WY ARPT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026
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 94 09/04 MM MM 92
09/06
LOWEST 35 09/15 MM MM 34
AVG. MAXIMUM 80.1 76.6 3.5 78.8
AVG. MINIMUM 48.3 42.6 5.7 46.2
MEAN 64.2 59.6 4.6 62.5
DAYS MAX >= 90 4 3.8 0.2 2
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 3.21 2025
TOTALS 1.72 0.97 0.75 3.21
DAYS >= .01 8 7.2 0.8 8
DAYS >= .10 3 3.0 0.0 4
DAYS >= .50 2 0.4 1.6 2
DAYS >= 1.00 0 0.0 0.0 1
GREATEST
24 HR. TOTAL 0.76 09/18 TO 09/19 1.83 09/16 TO 09/17
DEGREE DAYS
HEATING TOTAL 81 197 -116 96
SINCE 7/1 87 233 -146 MM
COOLING TOTAL 62 35 27 28
SINCE 1/1 798 512 286 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 32/360 DATE 09/08
32/290 09/14
HIGHEST GUST SPEED/DIRECTION 48/250 DATE 09/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.18
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 12 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 2
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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