Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS55 KRIW 111900 CLMCPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1252 PM MDT SUN JUN 11 2023 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF MAY 2023.. ...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 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 ...MAY WAS WARMER THAN NORMAL FOR CASPER... THE AVERAGE TEMPERATURE FOR CASPER IN MAY WAS 55.2 DEGREES WHICH WAS 3.2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 81 DEGREES ON THE 22ND AND 31ST. THE COLDEST TEMPERATURE WAS 26 DEGREES ON THE 1ST. NO TEMPERATURE RECORDS WERE BROKEN. PRECIPITATION FOR THE MONTH WAS 2.03 INCHES...WHICH IS 92 PERCENT OF NORMAL THE WETTEST 24-HOUR PERIOD WAS ON THE 23RD-24TH WHEN 0.53 INCHES FELL. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND GUST WAS 51 MPH FROM THE SOUTHWEST ON THE 6TH ...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 95 05/29/2003 LOW 16 05/12/1953 HIGHEST 81 05/22 05/31 LOWEST 26 05/01 AVG. MAXIMUM 70.3 66.8 3.5 AVG. MINIMUM 40.1 37.1 3.0 MEAN 55.2 52.0 3.2 DAYS MAX >= 90 0 DAYS MAX <= 32 0 DAYS MIN <= 32 4 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.46 1978 MINIMUM 0.30 2020 TOTALS 2.03 2.21 -0.18 2.61 DAILY AVG. 0.07 0.07 -0.00 DAYS >= .01 14 DAYS >= .10 9 DAYS >= .50 1 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.53 05/24 TO 05/24 STORM TOTAL 0.53 SNOWFALL (INCHES) TOTALS 0.0 2.6 -2.6 SINCE 7/1 134.3 71.7 62.6 SNOWDEPTH AVG. 0 DAYS >= 1.0 0 DEGREE DAYS HEATING TOTAL 295 409 -114 SINCE 7/1 7938 7361 577 COOLING TOTAL 0 4 -4 SINCE 1/1 0 4 -4 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.5 RESULTANT WIND SPEED/DIRECTION 1/290 HIGHEST WIND SPEED/DIRECTION 37/230 DATE 05/06 HIGHEST GUST SPEED/DIRECTION 51/230 DATE 05/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.27 NUMBER OF DAYS FAIR 25 NUMBER OF DAYS PC 1 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 61 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. LOOKING AHEAD TO JUNE 2023...THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE MONTH IS 74 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 42 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 85 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 49. THE AVERAGE MONTHLY PRECIPITATION IS 1.34 INCHES. THE AVERAGE MONTHLY SNOWFALL IS 0.1 INCHES. $$