


Climatological Report (Monthly)
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
840 CXUS55 KCYS 011622 CLMCYS CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 1022 AM MDT MON SEP 01 2025 ................................... ...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1871 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 08/02/2008 08/01/2008 LOW 25 08/25/1910 HIGHEST 93 08/13 80 13 94 LOWEST 48 08/11 53 -5 45 AVG. MAXIMUM 81.2 82.0 -0.8 83.3 AVG. MINIMUM 55.1 54.3 0.8 55.4 MEAN 68.2 68.1 0.1 69.3 DAYS MAX >= 90 6 4.3 1.7 8 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.73 1930 TOTALS 1.12 1.52 -0.40 DAYS >= .01 11 10.3 0.7 15 DAYS >= .10 5 4.0 1.0 7 DAYS >= .50 0 0.7 -0.7 1 DAYS >= 1.00 0 0.2 -0.2 1 GREATEST 24 HR. TOTAL 0.46 07/31 TO 07/31 1.55 08/12 TO 08/13 SNOWFALL (INCHES) RECORDS TOTAL T 2019 24 HR TOTAL T 08/23/2019 TO 08/23/2019 08/14/2018 TO 08/14/2018 08/14/2018 TO 08/12/2017 TOTALS TR 0.0 0.0 0.0 SINCE 7/1 T 0.0 0.0 MM DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL MM MM DEGREE DAYS HEATING TOTAL 19 33 -14 SINCE 7/1 21 48 -27 COOLING TOTAL 127 130 -3 SINCE 1/1 367 365 2 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.8 HIGHEST WIND SPEED/DIRECTION 30/310 DATE 08/02 HIGHEST GUST SPEED/DIRECTION 46/330 DATE 08/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.23 NUMBER OF DAYS FAIR 21 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 55 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 12 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 6 LIGHT RAIN 16 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 1 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$