456
CDUS45 KRIW 100736
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1236 AM MST SAT JAN 10 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 9 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 29 2:34 PM 54 1953 35 -6 28
MINIMUM 16 6:57 PM -30 1962 15 1 8
AVERAGE 23 25 -2
PRECIPITATION (IN)
YESTERDAY 0.01 0.24 1984 0.02 -0.01 0.04
MONTH TO DATE 0.11 0.15 -0.04 0.27
SINCE DEC 1 0.47 0.76 -0.29 0.43
SINCE JAN 1 0.11 0.15 -0.04 0.27
SNOWFALL (IN)
YESTERDAY 0.2 7.5 2011 0.3 -0.1 0.5
MONTH TO DATE 0.7 2.7 -2.0 4.0
SINCE DEC 1 6.2 13.7 -7.5 5.5
SINCE JUL 1 10.5 31.1 -20.6 5.5
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 42 40 2 47
MONTH TO DATE 233 363 -130 407
SINCE DEC 1 1096 1611 -515 1377
SINCE JUL 1 2522 3413 -891 2877
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 12.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 2:00 AM
LOWEST 44 2:00 PM
AVERAGE 68
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 59 1990
MINIMUM TEMPERATURE (F) 15 -26 1962
SUNRISE AND SUNSET
JANUARY 10 2026.......SUNRISE 7:36 AM MST SUNSET 4:51 PM MST
JANUARY 11 2026.......SUNRISE 7:36 AM MST SUNSET 4:52 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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