Climatological Report (Monthly)
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
670 CXUS55 KCYS 011142 CLMCYS CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 542 AM MDT FRI MAY 01 2026 ................................... ...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1871 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 84 04/30/2020 LOW -8 04/01/1975 HIGHEST 78 04/21 55 23 79 04/22 LOWEST 22 04/18 30 -8 20 AVG. MAXIMUM 59.5 54.8 4.7 57.1 AVG. MINIMUM 32.6 30.8 1.8 30.1 MEAN 46.0 42.8 3.3 43.6 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 1.4 -1.4 2 DAYS MIN <= 32 14 18.0 -4.0 20 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.66 1900 TOTALS 0.25 1.79 -1.54 DAYS >= .01 7 10.6 -3.6 8 DAYS >= .10 1 4.3 -3.3 1 DAYS >= .50 0 0.9 -0.9 0 DAYS >= 1.00 0 0.2 -0.2 0 GREATEST 24 HR. TOTAL 0.17 04/27 TO 04/28 0.12 04/25 TO 04/25 SNOWFALL (INCHES) RECORDS TOTAL 46.5 MM 24 HR TOTAL 17.3 04/20/1984 TO 04/21/1984 TOTALS 0.4 11.3 -10.9 2.7 SINCE 7/1 17.5 59.5 -42.0 MM DAYS >= 1.0 0 3.2 -3.2 1 GREATEST SNOW DEPTH T 1 24 HR TOTAL 0.4 04/17 TO 04/17 2.7 DEGREE DAYS HEATING TOTAL 560 666 -106 SINCE 7/1 5001 6447 -1446 COOLING TOTAL 0 0 0 SINCE 1/1 1 0 1 ................................................................ WIND (MPH) AVERAGE WIND SPEED 12.6 HIGHEST WIND SPEED/DIRECTION 48/210 DATE 04/11 HIGHEST GUST SPEED/DIRECTION 64/310 DATE 04/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.32 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 48 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 1 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 1 SNOW 1 LIGHT SNOW 5 SLEET 0 FOG 5 FOG W/VIS <= 1/4 MILE 3 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$