522
CDUS45 KRIW 290733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED APR 29 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 28 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 53 4:05 PM 80 2000 59 -6 46
2007
2018
MINIMUM 30 11:16 PM 13 1984 31 -1 33
AVERAGE 42 45 -3
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY MM 5.3 2005 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
YESTERDAY 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
YESTERDAY 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 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 31 3:00 PM
AVERAGE 64
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 1992
MINIMUM TEMPERATURE (F) 31 16 1990
2019
SUNRISE AND SUNSET
APRIL 29 2026.........SUNRISE 6:02 AM MDT SUNSET 8:05 PM MDT
APRIL 30 2026.........SUNRISE 6:01 AM MDT SUNSET 8:06 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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