468
CDUS45 KRIW 040045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST WED DEC 03 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 3 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 31 3:09 PM 59 1941 37 -6 54
MINIMUM 20 4:59 PM -6 1955 17 3 27
1992
AVERAGE 26 27 -1 41
PRECIPITATION (IN)
TODAY 0.04 0.30 2013 0.02 0.02 0.00
MONTH TO DATE 0.07 0.06 0.01 0.00
SINCE DEC 1 0.07 0.06 0.01 0.00
SINCE JAN 1 11.76 11.67 0.09 9.12
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 0.0 1.0 -1.0 0.0
SINCE DEC 1 0.0 1.0 -1.0 0.0
SINCE JUL 1 4.3 18.4 -14.1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 39 38 1 24
MONTH TO DATE 119 113 6 91
SINCE DEC 1 119 113 6 91
SINCE JUL 1 1545 1915 -370 1591
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 467 443 24 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92
LOWEST 61
AVERAGE 77
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 59 1965
MINIMUM TEMPERATURE (F) 17 -22 2013
SUNRISE AND SUNSET
DECEMBER 3 2025......SUNRISE 7:20 AM MST SUNSET 4:32 PM MST
DECEMBER 4 2025......SUNRISE 7:21 AM MST SUNSET 4:32 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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