001
CDUS45 KRIW 240045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU APR 23 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 23 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 60 1:44 PM 82 1989 58 2 60
2012
MINIMUM 39 5:57 AM 9 2013 29 10 25
AVERAGE 50 44 6 43
PRECIPITATION (IN)
TODAY T 0.64 2022 0.05 -0.05 T
MONTH TO DATE 0.78 1.01 -0.23 0.78
SINCE MAR 1 0.94 1.85 -0.91 2.11
SINCE JAN 1 1.48 2.90 -1.42 2.83
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 6.8 8.6 -1.8 7.7
SINCE MAR 1 8.4 18.9 -10.5 15.7
SINCE JUL 1 24.1 67.2 -43.1 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 22 -7 22
MONTH TO DATE 419 542 -123 562
SINCE MAR 1 1005 1449 -444 1411
SINCE JUL 1 5182 6811 -1629 6426
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 18.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
HAIL
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57
LOWEST 24
AVERAGE 41
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 83 2012
MINIMUM TEMPERATURE (F) 30 15 1958
SUNRISE AND SUNSET
APRIL 23 2026.........SUNRISE 6:11 AM MDT SUNSET 7:58 PM MDT
APRIL 24 2026.........SUNRISE 6:10 AM MDT SUNSET 7:59 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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