750
CDUS45 KRIW 200729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST TUE JAN 20 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 19 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 43 2:50 PM 57 2009 36 7 12
MINIMUM 3 3:12 AM -25 1963 15 -12 -16
AVERAGE 23 25 -2
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 1991 0.01 -0.01 0.00
MONTH TO DATE 0.13 0.30 -0.17 0.45
SINCE DEC 1 0.49 0.91 -0.42 0.61
SINCE JAN 1 0.13 0.30 -0.17 0.45
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1991 0.3 -0.3 0.0
MONTH TO DATE 1.2 5.4 -4.2 6.0
SINCE DEC 1 6.7 16.4 -9.7 7.5
SINCE JUL 1 11.0 33.8 -22.8 7.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 42 40 2 67
MONTH TO DATE 559 763 -204 868
SINCE DEC 1 1422 2011 -589 1838
SINCE JUL 1 2848 3813 -965 3338
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 24 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 22 3:00 PM
AVERAGE 61
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 57 2005
MINIMUM TEMPERATURE (F) 15 -25 2025
SUNRISE AND SUNSET
JANUARY 20 2026.......SUNRISE 7:31 AM MST SUNSET 5:03 PM MST
JANUARY 21 2026.......SUNRISE 7:30 AM MST SUNSET 5:05 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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