Climatological Report (Monthly)
Issued by NWS
Issued by NWS
098 CXUS55 KRIW 031753 CLMP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1053 AM MST WED JAN 03 2024 ................................... ...THE LAKE YELLOWSTONE 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 46 12/12/2014 LOW -36 12/22/2022 HIGHEST 42 12/06 LOWEST -11 12/25 AVG. MAXIMUM 28.4 23.3 5.1 AVG. MINIMUM 8.0 2.7 5.3 MEAN 18.2 13.0 5.2 DAYS MAX >= 90 0 DAYS MAX <= 32 23 DAYS MIN <= 32 31 DAYS MIN <= 0 7 PRECIPITATION (INCHES) RECORD MAXIMUM 5.15 2007 MINIMUM 0.37 2000 TOTALS 1.17 2.35 -1.18 3.19 DAILY AVG. 0.04 0.08 -0.04 DAYS >= .01 11 DAYS >= .10 5 DAYS >= .50 0 DAYS >= 1.00 0 GREATEST 24 HR. TOTAL 0.38 12/07 TO 12/08 STORM TOTAL 0.31 DEGREE DAYS HEATING TOTAL 1443 1612 -169 SINCE 7/1 4517 5119 -602 COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 .............................................................. WIND (MPH) AVERAGE WIND SPEED 1.5 RESULTANT WIND SPEED/DIRECTION 0/320 HIGHEST WIND SPEED/DIRECTION 16/290 DATE 12/02 HIGHEST GUST SPEED/DIRECTION 31/240 DATE 12/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.00 NUMBER OF DAYS FAIR 31 NUMBER OF DAYS PC 0 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 81 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 1 LIGHT SNOW 9 SLEET 0 FOG 0 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$