Climatological Report (Monthly)
Issued by NWS
Issued by NWS
958 CXUS55 KRIW 031810 CLMRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1053 AM MST WED JAN 03 2024 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE MONTH OF DECEMBER 2023... ...OFFICIAL CLIMATE DATA FOR THE MONTH OF DECEMBER 2023 WILL BE AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO- WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW ...ROCK SPRINGS WAS WARMER AND MUCH DRIER THAN NORMAL IN DECEMBER... THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN DECEMBER WAS 25.6 DEGREES WHICH WAS 4.2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 51 DEGREES ON THE 6TH. THE COLDEST TEMPERATURE WAS 5 DEGREES BELOW ZERO ON THE 28TH. NO TEMPERATURE RECORDS WERE BROKEN. PRECIPITATION FOR THE MONTH WAS 0.02 INCHES...WHICH WAS 6 PERCENT OF NORMAL. IT WAS THE 4TH DRIEST DECEMBER ON RECORD. THE WETTEST 24- HOUR PERIOD WAS THE 11TH WITH 0.01 INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 66 MPH FROM THE WEST ON THE 3RD. ...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. LOOKING AHEAD TO JANUARY 2024. THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE MONTH IS 29 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 13 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 30 DEGREES AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY PRECIPITATION IS 0.38 INCHES. $$