828
CDUS45 KRIW 080726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1226 AM MST MON DEC 08 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 7 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 42 12:36 PM 57 1939 36 6 51
MINIMUM 25 6:18 AM -27 2016 16 9 33
AVERAGE 34 26 8
PRECIPITATION (IN)
YESTERDAY 0.00 0.38 1953 0.02 -0.02 0.00
MONTH TO DATE 0.07 0.14 -0.07 0.00
SINCE DEC 1 0.07 0.14 -0.07 0.00
SINCE JAN 1 11.76 11.75 0.01 9.12
SNOWFALL (IN)
YESTERDAY 0.0 7.6 1953 0.3 -0.3 0.0
MONTH TO DATE 1.0 2.4 -1.4 0.0
SINCE DEC 1 1.0 2.4 -1.4 0.0
SINCE JUL 1 5.3 19.8 -14.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 39 -8 23
MONTH TO DATE 251 268 -17 203
SINCE DEC 1 251 268 -17 203
SINCE JUL 1 1677 2070 -393 1703
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
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 13.8
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 92 12:00 AM
LOWEST 33 1:00 PM
AVERAGE 63
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 60 1939
MINIMUM TEMPERATURE (F) 16 -33 2016
SUNRISE AND SUNSET
DECEMBER 8 2025......SUNRISE 7:24 AM MST SUNSET 4:31 PM MST
DECEMBER 9 2025......SUNRISE 7:25 AM MST SUNSET 4:31 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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