940
CDUS45 KRIW 270045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST FRI DEC 26 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 26 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 51 2:35 PM 53 1980 34 17 39
2005
MINIMUM 33 5:17 AM -17 2017 14 19 27
AVERAGE 42 24 18 33
PRECIPITATION (IN)
TODAY T 0.23 1960 0.02 -0.02 T
MONTH TO DATE 0.21 0.51 -0.30 0.02
SINCE DEC 1 0.21 0.51 -0.30 0.02
SINCE JAN 1 11.90 12.12 -0.22 9.14
SNOWFALL (IN)
TODAY MM 0.3 MM T
MONTH TO DATE 2.0 9.2 -7.2 T
SINCE DEC 1 2.0 9.2 -7.2 T
SINCE JUL 1 6.3 26.6 -20.3 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 23 41 -18 32
MONTH TO DATE 673 1041 -368 796
SINCE DEC 1 673 1041 -368 796
SINCE JUL 1 2099 2843 -744 2296
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 41 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 16.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69
LOWEST 41
AVERAGE 55
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 61 1980
MINIMUM TEMPERATURE (F) 14 -16 1941
SUNRISE AND SUNSET
DECEMBER 26 2025......SUNRISE 7:36 AM MST SUNSET 4:38 PM MST
DECEMBER 27 2025......SUNRISE 7:36 AM MST SUNSET 4:38 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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