475
CDUS45 KRIW 260732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST FRI DEC 26 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 25 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 61R 10:16 AM 56 1980 34 27 45
MINIMUM 42 11:55 PM -15 2009 14 28 26
AVERAGE 52 24 28
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 6.1 2016 0.4 -0.4 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 0
DEGREE DAYS
HEATING
YESTERDAY 13 41 -28 29
MONTH TO DATE 650 1000 -350 764
SINCE DEC 1 650 1000 -350 764
SINCE JUL 1 2076 2802 -726 2264
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 44 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 23.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 7:00 PM
LOWEST 47 12:00 AM
AVERAGE 59
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 53 1980
2005
MINIMUM TEMPERATURE (F) 14 -17 2017
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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