Climatological Report (Daily)
Issued by NWS
Issued by NWS
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793
CDUS45 KRIW 030045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST TUE DEC 02 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 2 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 38 2:00 PM 66 2021 38 0 51
MINIMUM 28 6:14 AM -15 1985 17 11 13
AVERAGE 33 27 6 32
PRECIPITATION (IN)
TODAY T 0.42 1955 0.02 -0.02 0.00
MONTH TO DATE T 0.04 -0.04 0.00
SINCE DEC 1 T 0.04 -0.04 0.00
SINCE JAN 1 11.69 11.65 0.04 9.12
SNOWFALL (IN)
TODAY MM 0.4 MM 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE DEC 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 4.3 18.1 -13.8 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 32 38 -6 33
MONTH TO DATE 79 75 4 67
SINCE DEC 1 79 75 4 67
SINCE JUL 1 1505 1877 -372 1567
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 31 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 21.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66
LOWEST 54
AVERAGE 60
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 59 1941
MINIMUM TEMPERATURE (F) 17 -6 1955
1992
SUNRISE AND SUNSET
DECEMBER 2 2025......SUNRISE 7:19 AM MST SUNSET 4:32 PM MST
DECEMBER 3 2025......SUNRISE 7:20 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.
$$