Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS55 KRIW 021642 CLMRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1021 AM MDT MON OCT 02 2023 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE MONTH OF SEPTEMBER 2023... ...OFFICIAL CLIMATE DATA FOR THE MONTH OF SEPTEMBER 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 THAN NORMAL IN SEPTEMBER... THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN SEPTEMBER WAS 59.4 DEGREES WHICH WAS 2.1 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 82 DEGREES ON THE 1ST. THE COLDEST TEMPERATURE WAS 35 DEGREES ON THE 23RD. NO TEMPERATURE RECORDS WERE BROKEN. PRECIPITATION FOR THE MONTH WAS 0.74 INCHES...WHICH WAS 94 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 3RD-4TH WITH 0.47 INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 71 MPH FROM THE SOUTHWEST ON THE 1ST. ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 93 09/04/2022 LOW 5 09/18/1965 HIGHEST 82 09/01 LOWEST 35 09/23 AVG. MAXIMUM 73.2 70.7 2.5 AVG. MINIMUM 45.6 43.9 1.7 MEAN 59.4 57.3 2.1 DAYS MAX >= 90 0 DAYS MAX <= 32 0 DAYS MIN <= 32 0 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.67 1965 MINIMUM T 2018 TOTALS 0.74 0.79 -0.05 0.62 DAILY AVG. 0.02 0.03 -0.01 DAYS >= .01 5 DAYS >= .10 2 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.47 09/03 TO 09/04 STORM TOTAL 0.42 SNOWFALL (INCHES) TOTALS MM 1.2 MM SINCE 7/1 MM 1.2 MM SNOWDEPTH AVG. MM DAYS >= 1.0 MM DEGREE DAYS HEATING TOTAL 172 242 -70 SINCE 7/1 198 301 -103 COOLING TOTAL 12 11 1 SINCE 1/1 323 320 3 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.8 RESULTANT WIND SPEED/DIRECTION 4/230 HIGHEST WIND SPEED/DIRECTION 48/220 DATE 09/01 HIGHEST GUST SPEED/DIRECTION 71/210 DATE 09/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.20 NUMBER OF DAYS FAIR 22 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 46 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 3 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 3 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. LOOKING AHEAD TO OCTOBER 2023...THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE MONTH IS 64 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 38 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 49 DEGREES AND THE AVERAGE LOW TEMPERATURE IS 28. THE AVERAGE MONTHLY PRECIPITATION IS 0.81 INCHES. $$