CXUS55 KCYS 011752 CLMCYS CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 1052 AM MST THU JAN 01 2026 ................................... ...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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 70 12/02/2021 LOW -28 12/22/1990 12/21/1990 12/22/1989 HIGHEST 65 12/14 39 26 61 12/22 LOWEST 6 12/01 17 -11 10 12/04 AVG. MAXIMUM 50.5 39.3 11.2 47.7 AVG. MINIMUM 27.4 18.1 9.3 23.5 MEAN 39.0 28.7 10.3 35.6 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 2 8.5 -6.5 3 DAYS MIN <= 32 22 28.9 -6.9 29 DAYS MIN <= 0 0 2.2 -2.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.00 1913 TOTALS 0.21 0.48 -0.27 DAYS >= .01 5 6.0 -1.0 3 DAYS >= .10 1 1.8 -0.8 0 DAYS >= .50 0 0.1 -0.1 0 DAYS >= 1.00 0 0.0 0.0 0 GREATEST 24 HR. TOTAL 0.11 12/03 TO 12/03 0.03 12/09 TO 12/09 SNOWFALL (INCHES) RECORDS TOTAL 24.4 MM 24 HR TOTAL 12.5 MM TOTALS 3.6 8.8 -5.2 0.5 SINCE 7/1 5.9 23.2 -17.3 MM DAYS >= 1.0 2 2.8 -0.8 0 GREATEST SNOW DEPTH 2 12/04 MM 12/05 24 HR TOTAL 2.0 12/03 TO 12/03 0.5 DEGREE DAYS HEATING TOTAL 798 1125 -327 SINCE 7/1 2129 2812 -683 COOLING TOTAL 0 0 0 SINCE 1/1 383 397 -14 ................................................................ WIND (MPH) AVERAGE WIND SPEED 14.8 HIGHEST WIND SPEED/DIRECTION 54/280 DATE 12/09 HIGHEST GUST SPEED/DIRECTION 75/270 DATE 12/19 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.15 NUMBER OF DAYS FAIR 26 NUMBER OF DAYS PC 4 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 49 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 2 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 1 SNOW 1 LIGHT SNOW 9 SLEET 1 FOG 9 FOG W/VIS <= 1/4 MILE 1 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$