040
CDUS45 KRIW 260045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST THU DEC 25 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 25 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 61R 10:16 AM 56 1980 34 27 45
MINIMUM 48 4:57 PM -15 2009 14 34 26
AVERAGE 55 24 31 36
PRECIPITATION (IN)
TODAY T 0.39 2016 0.02 -0.02 T
MONTH TO DATE 0.21 0.49 -0.28 0.02
SINCE DEC 1 0.21 0.49 -0.28 0.02
SINCE JAN 1 11.90 12.10 -0.20 9.14
SNOWFALL (IN)
TODAY MM 0.4 MM 0.0
MONTH TO DATE 2.0 8.9 -6.9 T
SINCE DEC 1 2.0 8.9 -6.9 T
SINCE JUL 1 6.3 26.3 -20.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 41 -31 29
MONTH TO DATE 647 1000 -353 764
SINCE DEC 1 647 1000 -353 764
SINCE JUL 1 2073 2802 -729 2264
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 44 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 27.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59
LOWEST 47
AVERAGE 53
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 53 1980
2005
MINIMUM TEMPERATURE (F) 14 -17 2017
SUNRISE AND SUNSET
DECEMBER 25 2025......SUNRISE 7:35 AM MST SUNSET 4:37 PM MST
DECEMBER 26 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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