808
CDUS45 KRIW 290045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE APR 28 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 28 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 53 4:05 PM 80 2000 59 -6 46
2007
2018
MINIMUM 30 5:51 AM 13 1984 31 -1 33
AVERAGE 42 45 -3 40
PRECIPITATION (IN)
TODAY 0.06 0.73 1941 0.06 0.00 0.22
MONTH TO DATE 1.28 1.29 -0.01 1.18
SINCE MAR 1 1.44 2.13 -0.69 2.51
SINCE JAN 1 1.98 3.18 -1.20 3.23
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 8.8 10.0 -1.2 7.7
SINCE MAR 1 10.4 20.3 -9.9 15.7
SINCE JUL 1 26.1 68.6 -42.5 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 23 20 3 25
MONTH TO DATE 571 645 -74 661
SINCE MAR 1 1157 1552 -395 1510
SINCE JUL 1 5334 6914 -1580 6525
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 26 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 31
AVERAGE 64
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 1992
MINIMUM TEMPERATURE (F) 31 16 1990
2019
SUNRISE AND SUNSET
APRIL 28 2026.........SUNRISE 6:04 AM MDT SUNSET 8:03 PM MDT
APRIL 29 2026.........SUNRISE 6:02 AM MDT SUNSET 8:05 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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