Climatological Report (Annual)
Issued by NWS
Issued by NWS
964 CXUS55 KRIW 052028 CLACPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1252 PM MST TUE JAN 05 2021 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1939 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 464 03/11/2020 LOW -41 12/21/1990 HIGHEST 100 LOWEST -9 AVG. MAXIMUM 60.5 1.2 AVG. MINIMUM 30.8 -0.6 MEAN 45.7 PRECIPITATION (INCHES) RECORD MAXIMUM 20.48 1982 MINIMUM 6.56 1988 TOTALS 5.79R 12.52 -6.73 SNOWFALL (INCHES) RECORDS TOTAL 137.6 1982 TOTALS 89.2 74.9 DEGREE DAYS HEATING TOTAL 7498 COOLING TOTAL 542 .............................................................. WIND (MPH) HIGHEST WIND SPEED/DIRECTION 55/220 DATE 01/04 HIGHEST GUST SPEED/DIRECTION 75/210 DATE 01/04 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 26 MIXED PRECIP 0 RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 2 SNOW 16 FOG 80 FOG W/VIS <= 1/4 MILE 18 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$