Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 060735
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1235 AM MST SAT DEC 06 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 5 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 38 11:59 PM 65 1939 37 1 50
MINIMUM 26 7:11 PM -27 1972 16 10 17
AVERAGE 32 26 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 2016 0.02 -0.02 0.00
MONTH TO DATE 0.07 0.10 -0.03 0.00
SINCE DEC 1 0.07 0.10 -0.03 0.00
SINCE JAN 1 11.76 11.71 0.05 9.12
SNOWFALL (IN)
YESTERDAY 0.0 7.0 2016 0.3 -0.3 0.0
MONTH TO DATE 1.0 1.7 -0.7 0.0
SINCE DEC 1 1.0 1.7 -0.7 0.0
SINCE JUL 1 5.3 19.1 -13.8 T
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 33 39 -6 31
MONTH TO DATE 190 190 0 153
SINCE DEC 1 190 190 0 153
SINCE JUL 1 1616 1992 -376 1653
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 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 10:00 AM
LOWEST 50 1:00 PM
AVERAGE 63
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 63 1939
MINIMUM TEMPERATURE (F) 16 -24 1972
SUNRISE AND SUNSET
DECEMBER 6 2025......SUNRISE 7:23 AM MST SUNSET 4:31 PM MST
DECEMBER 7 2025......SUNRISE 7:24 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.
$$