Climatological Report (Monthly)
Issued by NWS
Issued by NWS
091 CXUS55 KRIW 031753 CLMGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1053 AM MST WED JAN 03 2024 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 63 12/11/2004 LOW -36 12/22/2022 HIGHEST 49 12/21 LOWEST 0 12/25 AVG. MAXIMUM 39.0 30.8 8.2 AVG. MINIMUM 12.6 7.9 4.7 MEAN 25.8 19.3 6.5 DAYS MAX >= 90 0 DAYS MAX <= 32 5 DAYS MIN <= 32 31 DAYS MIN <= 0 1 PRECIPITATION (INCHES) RECORD MAXIMUM 0.49 1999 MINIMUM 0.01 2021 TOTALS TR 0.11 -0.11 0.03 DAILY AVG. T 0.00 -0.00 DAYS >= .01 0 DAYS >= .10 0 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL T 12/03 TO 12/03 12/07 TO 12/07 12/09 TO 12/09 STORM TOTAL 0.00 DEGREE DAYS HEATING TOTAL 1205 1415 -210 SINCE 7/1 2810 3194 -384 COOLING TOTAL 0 0 0 SINCE 1/1 702 744 -42 .............................................................. WIND (MPH) AVERAGE WIND SPEED 3.7 RESULTANT WIND SPEED/DIRECTION 0/290 HIGHEST WIND SPEED/DIRECTION 44/340 DATE 12/23 HIGHEST GUST SPEED/DIRECTION 60/340 DATE 12/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.18 NUMBER OF DAYS FAIR 24 NUMBER OF DAYS PC 7 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 69 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 2 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. $$