Climatological Report (Monthly)
Issued by NWS
Issued by NWS
093 CXUS55 KRIW 031753 CLMRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1053 AM MST WED JAN 03 2024 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 58 12/16/2013 LOW -29 12/22/1990 12/21/1990 12/31/1978 HIGHEST 51 12/06 LOWEST -5 12/28 AVG. MAXIMUM 34.6 29.5 5.1 AVG. MINIMUM 16.6 13.4 3.2 MEAN 25.6 21.4 4.2 DAYS MAX >= 90 0 DAYS MAX <= 32 13 DAYS MIN <= 32 31 DAYS MIN <= 0 1 PRECIPITATION (INCHES) RECORD MAXIMUM 1.78 1975 MINIMUM 0.00 1962 TOTALS 0.02 0.31 -0.29 0.17 DAILY AVG. 0.00 0.01 -0.01 DAYS >= .01 2 DAYS >= .10 0 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.01 12/23 TO 12/23 12/11 TO 12/11 12/23 TO 12/23 STORM TOTAL 0.01 SNOWFALL (INCHES) TOTALS MM 5.8 MM SINCE 7/1 MM 19.6 MM SNOWDEPTH AVG. MM DAYS >= 1.0 MM DEGREE DAYS HEATING TOTAL 1213 1350 -137 SINCE 7/1 2902 3297 -395 COOLING TOTAL 0 0 0 SINCE 1/1 323 320 3 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.7 RESULTANT WIND SPEED/DIRECTION 7/250 HIGHEST WIND SPEED/DIRECTION 49/260 DATE 12/03 HIGHEST GUST SPEED/DIRECTION 66/260 DATE 12/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.34 NUMBER OF DAYS FAIR 15 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 8 SLEET 0 FOG 13 FOG W/VIS <= 1/4 MILE 4 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$