901
CDUS45 KRIW 010730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST SUN FEB 01 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 31 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 2:30 PM 58 1971 36 18 44
MINIMUM 21 7:22 PM -24 1985 15 6 26
1996
AVERAGE 38 25 13
PRECIPITATION (IN)
YESTERDAY 0.00 0.18 1981 0.02 -0.02 0.00
MONTH TO DATE 0.19 0.49 -0.30 0.48
SINCE DEC 1 0.55 1.10 -0.55 0.64
SINCE JAN 1 0.19 0.49 -0.30 0.48
SNOWFALL (IN)
YESTERDAY 0.0 5.2 1981 0.3 -0.3 0.0
MONTH TO DATE 1.4 9.0 -7.6 6.7
SINCE DEC 1 6.9 20.0 -13.1 8.2
SINCE JUL 1 11.2 37.4 -26.2 8.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 40 -13 30
MONTH TO DATE 1064 1243 -179 1433
SINCE DEC 1 1927 2491 -564 2403
SINCE JUL 1 3353 4293 -940 3903
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.8
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 59 7:00 AM
LOWEST 21 4:00 PM
AVERAGE 40
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 61 2003
MINIMUM TEMPERATURE (F) 15 -26 1985
SUNRISE AND SUNSET
FEBRUARY 1 2026......SUNRISE 7:20 AM MST SUNSET 5:19 PM MST
FEBRUARY 2 2026......SUNRISE 7:19 AM MST SUNSET 5:20 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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