Climatological Report (Annual)
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
449 CXUS55 KCYS 031845 CLACYS Climate Report NATIONAL WEATHER SERVICE CHEYENNE WY 1142 AM MST FRI JAN 3 2020 ................................... ...The CHEYENNE WY climate summary for the year of 2019... Climate normal period 1981 to 2010 Climate record period 1871 to 2020 Weather Observed Normal Depart Last Year`s Value Date(s) Value From Value Normal ............................................................. Temperature (F) Record High 100 06/23/1954 07/11/1939 07/14/1881 Low -38 01/09/1875 Highest 95 09/02 99 08/19 07/19 Lowest -16 03/04 -14 Avg. Maximum 58.4 58.6 -0.2 60.5 Avg. Minimum 33.2 34.3 -1.1 34.1 Mean 45.8 46.5 -0.7 47.3 Days Max >= 90 19 10.4 19 Days Max <= 32 42 32.8 26 Days Min <= 32 187 164.1 179 Days Min <= 0 8 8.1 6 Precipitation (inches) Record Maximum 23.69 1942 Minimum 5.94 1964 Totals 18.03 15.94 2.09 15.58 Daily Avg. 0.05 0.04 0.01 0.04 Days >= .01 116 103.8 103 Days >= .10 45 41.0 39 Days >= .50 9 8.2 9 Days >= 1.00 2 1.8 1 Greatest 24 Hr. Total 1.65 MM 1.33 Snowfall (inches) Records Total 121.5 1980 Totals 102.1 60.3 41.8 46.8 Since 7/1 41.0 22.7 18.3 21.1 Days >= Trace 94 45.0 87 Days >= 1.0 27 18.4 15 Greatest Snow Depth 13 11/27 7 24 Hr Total 14.0 MM 6.4 DEGREE_DAYS HEATING TOTAL 7332 7111 221 6753 SINCE 7/1 MM 2903 MM MM COOLING TOTAL 463 349 114 430 SINCE 1/1 463 348 115 430 .............................................................. Wind (mph) Average Wind Speed 11.2 Highest Wind Speed/Direction 53/270 Date 02/03 Highest Gust Speed/Direction 63/280 Date 10/05 Sky Cover Possible Sunshine (Percent) MM Average Sky Cover 0.30 Number Of Days Fair 230 Number Of Days PC 92 Number of Days Cloudy 39 Average RH (Percent) 56 Weather Conditions. Number Of Days With 0 19 1 12 26 1 33 Haze 25 - Indicates negative numbers. R Indicates record was set or tied. MM Indicates data is missing. T Indicates Trace Amount. $$