Climatological Report (Monthly)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
000 CXUS55 KRIW 111906 CLMRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1252 PM MDT SUN JUN 11 2023 ...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON 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 ...RIVERTON WAS WARMER AND MUCH DRIER THAN NORMAL IN MAY... THE AVERAGE TEMPERATURE FOR RIVERTON IN MAY WAS 57 DEGREES WHICH WAS 3.8 DEGREES ABOVE NORMAL. IT WAS THE 2ND WARMEST MAY SINCE RECORDS STARTED IN 1996. THE WARMEST READING FOR THE MONTH WAS 81 DEGREES ON THE 22ND. THE COLDEST READING WAS 35 DEGREES ON THE 7TH AND 8TH. NO TEMPERATURE RECORDS WERE BROKEN. PRECIPITATION FOR THE MONTH WAS 0.32 INCHES...WHICH IS JUST 17 PERCENT OF NORMAL. IT WAS THE 3RD DRIEST MAY ON RECORD. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND GUST OCCURRED ON THE 26TH WITH 59 MPH FROM THE NORTHWEST. ...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 93 05/29/2003 LOW 19 05/09/2002 HIGHEST 81 05/22 LOWEST 35 05/06 05/07 05/08 AVG. MAXIMUM 71.1 66.8 4.3 AVG. MINIMUM 42.9 39.5 3.4 MEAN 57.0 53.2 3.8 DAYS MAX >= 90 0 DAYS MAX <= 32 0 DAYS MIN <= 32 0 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.32 2011 MINIMUM 0.18 2006 TOTALS 0.32 1.92 -1.60 3.09 DAILY AVG. 0.01 0.06 -0.05 DAYS >= .01 8 DAYS >= .10 0 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.09 05/30 TO 05/30 STORM TOTAL 0.09 SNOWFALL (INCHES) TOTALS 0.0 MM MM SINCE 7/1 87.1 MM MM SNOWDEPTH AVG. 0 DAYS >= 1.0 0 DEGREE DAYS HEATING TOTAL 240 375 -135 SINCE 7/1 9067 7812 1255 COOLING TOTAL 0 8 -8 SINCE 1/1 0 8 -8 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.9 RESULTANT WIND SPEED/DIRECTION 2/320 HIGHEST WIND SPEED/DIRECTION 44/290 DATE 05/26 HIGHEST GUST SPEED/DIRECTION 59/290 DATE 05/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.28 NUMBER OF DAYS FAIR 23 NUMBER OF DAYS PC 4 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 53 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 14 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 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 73 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 45 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 84 DEGREES AND THE AVERAGE LOW TEMPERATURE IS 52. THE AVERAGE MONTHLY PRECIPITATION IS 0.94 INCHES. $$