667
CDUS45 KRIW 020733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1233 AM MST FRI JAN 02 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 1 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 51 11:56 AM 52 1943 34 17 28
MINIMUM 38 7:31 AM -29 1979 14 24 7
AVERAGE 45 24 21
PRECIPITATION (IN)
YESTERDAY 0.06 0.27 2023 0.02 0.04 0.00
MONTH TO DATE 0.06 0.02 0.04 0.00
SINCE DEC 1 0.42 0.63 -0.21 0.16
SINCE JAN 1 0.06 0.02 0.04 0.00
SNOWFALL (IN)
YESTERDAY 0.0 7.3 2023 0.3 -0.3 0.0
MONTH TO DATE 0.0 0.3 -0.3 0.0
SINCE DEC 1 5.5 11.3 -5.8 1.5
SINCE JUL 1 9.8 28.7 -18.9 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 41 -21 47
MONTH TO DATE 20 41 -21 47
SINCE DEC 1 883 1289 -406 1017
SINCE JUL 1 2309 3091 -782 2517
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 35 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 20.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 10:00 PM
LOWEST 26 12:00 PM
AVERAGE 58
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 56 1981
1997
MINIMUM TEMPERATURE (F) 15 -19 1950
1959
SUNRISE AND SUNSET
JANUARY 2 2026.......SUNRISE 7:37 AM MST SUNSET 4:43 PM MST
JANUARY 3 2026.......SUNRISE 7:37 AM MST SUNSET 4:44 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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