Climatological Report (Annual)
Issued by NWS
Issued by NWS
199 CXUS55 KCYS 102221 CLAAIA Climate Report NATIONAL WEATHER SERVICE CHEYENNE WY 251 PM MST FRI JAN 10 2020 ................................... ...The ALLIANCE NE AIRPORT climate summary for the year of 2019... Climate normal period 1981 to 2010 Climate record period 1896 to 2020 Weather Observed Normal Depart Last Year`s Value Date(s) Value From Value Normal ............................................................. Temperature (F) Record High 110 07/19/1983 Low -42 12/22/1989 Highest 99 08/19 MM MM 99 08/04 Lowest -22 03/04 MM MM -27 03/03 Avg. Maximum 58.8 61.9 -3.1 60.5 Avg. Minimum 29.5 31.1 -1.6 30.4 Mean 44.1 46.5 -2.4 45.5 Days Max >= 90 20 33.8 34 Days Max <= 32 49 33.9 38 Days Min <= 32 199 191.2 198 Days Min <= 0 27 18.2 18 Precipitation (inches) Record Maximum 22.93 2015 Minimum 3.99 2002 Totals 18.84 15.66 3.18 16.30 Days >= .01 88 MM 81 Days >= .10 45 MM 37 Days >= .50 15 MM 12 Days >= 1.00 3 MM 2 Greatest 24 Hr. Total 1.25 08/16 to 08/16 DEGREE_DAYS HEATING TOTAL 7711 7309 402 7335 SINCE 7/1 3167 3082 85 2894 COOLING TOTAL 516 564 -48 566 SINCE 1/1 516 564 -48 566 .............................................................. Wind (mph) Average Wind Speed 10.6 Highest Wind Speed/Direction 62/290 Date 08/16 Highest Gust Speed/Direction 77/290 Date 08/16 Sky Cover Possible Sunshine (Percent) 0 Average Sky Cover 0.30 Number Of Days Fair 212 Number Of Days PC 109 Number of Days Cloudy 43 Average RH (Percent) 69 Weather Conditions. Number Of Days With THUNDERSTORM 61 MIXED PRECIP 0 HEAVY RAIN 24 RAIN 39 LIGHT RAIN 113 FREEZING RAIN 1 LT FREEZING RAIN 6 HAIL 0 HEAVY SNOW 3 SNOW 15 LIGHT SNOW 65 SLEET 0 FOG 158 FOG W/VIS <= 1/4 MILE 28 HAZE 37 - Indicates negative numbers. R Indicates record was set or tied. MM Indicates data is missing. T Indicates Trace Amount. $$