385
CDUS45 KRIW 270045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN APR 26 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 26 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 43 4:16 PM 80 1946 59 -16 73
1981
2012
MINIMUM 32 4:12 AM 17 1988 30 2 33
2010
AVERAGE 38 44 -6 53
PRECIPITATION (IN)
TODAY 0.11 1.18 2016 0.05 0.06 0.00
MONTH TO DATE 1.09 1.17 -0.08 0.96
SINCE MAR 1 1.25 2.01 -0.76 2.29
SINCE JAN 1 1.79 3.06 -1.27 3.01
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 8.8 9.5 -0.7 7.7
SINCE MAR 1 10.4 19.8 -9.4 15.7
SINCE JUL 1 26.1 68.1 -42.0 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 27 21 6 12
MONTH TO DATE 517 605 -88 623
SINCE MAR 1 1103 1512 -409 1472
SINCE JUL 1 5280 6874 -1594 6487
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 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 82
AVERAGE 88
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 81 1952
1992
MINIMUM TEMPERATURE (F) 30 15 1984
SUNRISE AND SUNSET
APRIL 26 2026.........SUNRISE 6:07 AM MDT SUNSET 8:01 PM MDT
APRIL 27 2026.........SUNRISE 6:05 AM MDT SUNSET 8:02 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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