Climatological Report (Monthly)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
000 CXUS55 KRIW 021621 CLMRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1021 AM MDT MON OCT 02 2023 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 100 09/04/2022 LOW 21 09/27/1996 09/27/1996 HIGHEST 88 09/01 LOWEST 39 09/23 AVG. MAXIMUM 76.9 74.0 2.9 AVG. MINIMUM 47.8 44.4 3.4 MEAN 62.3 59.2 3.1 DAYS MAX >= 90 0 DAYS MAX <= 32 0 DAYS MIN <= 32 0 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.01 2013 MINIMUM 0.01 2010 TOTALS 0.67 0.77 -0.10 1.14 DAILY AVG. 0.02 0.03 -0.01 DAYS >= .01 4 DAYS >= .10 3 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.52 09/13 TO 09/14 STORM TOTAL 0.26 SNOWFALL (INCHES) TOTALS 0.0 MM MM SINCE 7/1 0.0 MM MM SNOWDEPTH AVG. 0 DAYS >= 1.0 0 DEGREE DAYS HEATING TOTAL 103 205 -102 SINCE 7/1 136 241 -105 COOLING TOTAL 30 31 -1 SINCE 1/1 401 499 -98 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.8 RESULTANT WIND SPEED/DIRECTION 3/290 HIGHEST WIND SPEED/DIRECTION 33/300 DATE 09/23 HIGHEST GUST SPEED/DIRECTION 47/290 DATE 09/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.16 NUMBER OF DAYS FAIR 25 NUMBER OF DAYS PC 4 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 48 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 2 LIGHT RAIN 10 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 1 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$