Climatological Report (Annual)
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
929 CXUS55 KCYS 050431 CLACYS CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 931 PM MST SAT JAN 04 2025 ................................... ...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2024... 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 100 06/23/1954 07/11/1939 07/14/1881 LOW -38 01/09/1875 HIGHEST 96 07/13 58 38 93 07/17 07/14 07/24 08/21 LOWEST -23 01/13 33 -56 -19 02/23 01/13 AVG. MAXIMUM 62.5 59.2 3.3 59.2 AVG. MINIMUM 36.0 34.6 1.4 35.4 MEAN 49.2 46.9 2.3 47.3 DAYS MAX >= 90 22 14.9 7.1 17 DAYS MAX <= 32 19 32.8 -13.8 37 DAYS MIN <= 32 162 170.4 -8.4 165 DAYS MIN <= 0 7 7.8 -0.8 7 PRECIPITATION (INCHES) RECORD MAXIMUM 23.69 1942 MINIMUM 5.94 1964 TOTALS 10.33 15.41 -5.08 20.37 DAILY AVG. 0.03 0.04 -0.01 0.05 DAYS >= .01 78 101.5 -23.5 107 DAYS >= .10 28 40.2 -12.2 58 DAYS >= .50 3 7.7 -4.7 12 DAYS >= 1.00 1 1.8 -0.8 1 GREATEST 24 HR. TOTAL 1.55 08/12 TO 08/13 1.39 07/19 TO 07/20 STORM TOTAL 1.11 1.38 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 121.5 1980 24 HR TOTAL 22.7 MM TOTALS 36.6 62.9 -26.3 59.1 SINCE 7/1 5.1 23.2 -18.1 MM DAYS >= TRACE 52 45.0 7.0 72 DAYS >= 1.0 11 19.5 -8.5 21 GREATEST SNOW DEPTH 5 03/15 7 01/30 03/15 11/25 24 HR TOTAL 5.8 03/14 TO 03/14 7.6 11/23 TO 11/24 STORM TOTAL 5.8 8.5 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 6193 6959 -766 6730 SINCE 7/1 2224 2812 -588 MM COOLING TOTAL 528 398 130 383 SINCE 1/1 528 397 131 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.2 HIGHEST WIND SPEED/DIRECTION 51/270 DATE 01/09 HIGHEST GUST SPEED/DIRECTION 82/300 DATE 04/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.24 NUMBER OF DAYS FAIR 263 NUMBER OF DAYS PC 82 NUMBER OF DAYS CLOUDY 21 AVERAGE RH (PERCENT) 51 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 52 MIXED PRECIP 0 HEAVY RAIN 14 RAIN 18 LIGHT RAIN 90 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 1 HEAVY SNOW 3 SNOW 10 LIGHT SNOW 52 SLEET 0 FOG 70 FOG W/VIS <= 1/4 MILE 18 HAZE 24 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$