891
CDUS45 KRIW 250045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST WED DEC 24 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 24 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 63R 1:25 PM 52 1955 34 29 44
MINIMUM 47 6:43 AM -33 1983 14 33 29
AVERAGE 55 24 31 37
PRECIPITATION (IN)
TODAY T 1.26 1982 0.02 -0.02 0.00
MONTH TO DATE 0.21 0.47 -0.26 0.02
SINCE DEC 1 0.21 0.47 -0.26 0.02
SINCE JAN 1 11.90 12.08 -0.18 9.14
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 2.0 8.5 -6.5 T
SINCE DEC 1 2.0 8.5 -6.5 T
SINCE JUL 1 6.3 25.9 -19.6 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 41 -31 28
MONTH TO DATE 637 959 -322 735
SINCE DEC 1 637 959 -322 735
SINCE JUL 1 2063 2761 -698 2235
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 (210)
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 21.9
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 44
LOWEST 27
AVERAGE 36
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 56 1980
MINIMUM TEMPERATURE (F) 14 -15 2009
SUNRISE AND SUNSET
DECEMBER 24 2025......SUNRISE 7:35 AM MST SUNSET 4:36 PM MST
DECEMBER 25 2025......SUNRISE 7:35 AM MST SUNSET 4:37 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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