972
CDUS45 KRIW 040730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST THU DEC 04 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 3 2025
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)
YESTERDAY
MAXIMUM 31 3:09 PM 59 1941 37 -6 54
MINIMUM 16 8:52 PM -6 1955 17 -1 27
1992
AVERAGE 24 27 -3
PRECIPITATION (IN)
YESTERDAY 0.04 0.30 2013 0.02 0.02 0.00
MONTH TO DATE 0.07 0.06 0.01 0.00
SINCE DEC 1 0.07 0.06 0.01 0.00
SINCE JAN 1 11.76 11.67 0.09 9.12
SNOWFALL (IN)
YESTERDAY 1.0 3.8 1961 0.3 0.7 0.0
MONTH TO DATE 1.0 1.0 0.0 0.0
SINCE DEC 1 1.0 1.0 0.0 0.0
SINCE JUL 1 5.3 18.4 -13.1 T
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 41 38 3 24
MONTH TO DATE 121 113 8 91
SINCE DEC 1 121 113 8 91
SINCE JUL 1 1547 1915 -368 1591
COOLING
YESTERDAY 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 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1:00 AM
LOWEST 61 3:00 PM
AVERAGE 77
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 59 1965
MINIMUM TEMPERATURE (F) 17 -22 2013
SUNRISE AND SUNSET
DECEMBER 4 2025......SUNRISE 7:21 AM MST SUNSET 4:32 PM MST
DECEMBER 5 2025......SUNRISE 7:22 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.
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