Climatological Report (Daily)
Issued by NWS
Issued by NWS
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918
CDUS45 KRIW 020045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST MON DEC 01 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 1 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 30 3:33 PM 63 1995 38 -8 48
2021
MINIMUM 4 12:07 AM -23 1985 17 -13 14
AVERAGE 17 28 -11 31
PRECIPITATION (IN)
TODAY 0.00 1.24 1982 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE DEC 1 0.00 0.02 -0.02 0.00
SINCE JAN 1 11.69 11.63 0.06 9.12
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE MM 0.3 MM 0.0
SINCE DEC 1 MM 0.3 MM 0.0
SINCE JUL 1 4.3 17.7 -13.4 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 48 37 11 34
MONTH TO DATE 48 37 11 34
SINCE DEC 1 48 37 11 34
SINCE JUL 1 1474 1839 -365 1534
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 24 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 15.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 58
AVERAGE 69
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 66 2021
MINIMUM TEMPERATURE (F) 17 -15 1985
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:17 AM MST SUNSET 4:32 PM MST
DECEMBER 2 2025......SUNRISE 7:19 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.
$$