Climatological Report (Annual)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
271 CXUS55 KRIW 130338 CCA CLARIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1252 PM MST TUE JAN 05 2021 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1995 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 102 07/18/2006 07/15/2006 07/13/2005 LOW -29 12/21/1998 12/21/1998 HIGHEST 97 MM LOWEST -12 MM AVG. MAXIMUM 58.5 0.7 AVG. MINIMUM 30.3 -1.4 MEAN 44.4 PRECIPITATION (INCHES) RECORD MAXIMUM 14.97 2017 MINIMUM 2.87 2012 TOTALS 4.67 9.43 -4.76 SNOWFALL (INCHES) RECORDS TOTAL 68.3 2017 TOTALS 49.0 MM DEGREE DAYS HEATING TOTAL 8060 COOLING TOTAL 644 .............................................................. WIND (MPH) HIGHEST WIND SPEED/DIRECTION 53/280 DATE 11/14 HIGHEST GUST SPEED/DIRECTION 69/270 DATE 11/14 69/270 12/22 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM (TS) 14 HEAVY SNOW (S+) 2 MIXED PRECIP(RASN) 0 SNOW (S) 14 HEAVY RAIN (R+) 2 LIGHT SNOW (S-) 42 RAIN (R) 3 ICE PELLETS (PL) 0 LIGHT RAIN (R-) 37 FOG (F) 61 LT FREEZING RAIN (ZR-) 0 HAIL 0 FREEZING RAIN (ZR) 0 HAZE 21 FOG W/VIS <= 1/4 MILE 21 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$