422
CDUS45 KRIW 230727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU APR 23 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 22 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 74 12:00 PM 81 1994 58 16 62
MINIMUM 43 11:59 PM 12 1967 29 14 19
AVERAGE 59 43 16
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 1988 0.05 -0.05 0.00
MONTH TO DATE 0.78 0.96 -0.18 0.78
SINCE MAR 1 0.94 1.80 -0.86 2.11
SINCE JAN 1 1.48 2.85 -1.37 2.83
SNOWFALL (IN)
YESTERDAY MM 6.7 1988 0.3 MM 0.0
MONTH TO DATE 6.8 8.3 -1.5 7.7
SINCE MAR 1 8.4 18.6 -10.2 15.7
SINCE JUL 1 24.1 66.9 -42.8 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 6 22 -16 24
MONTH TO DATE 404 520 -116 540
SINCE MAR 1 990 1427 -437 1389
SINCE JUL 1 5167 6789 -1622 6404
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 53 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 26.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 49 4:00 AM
LOWEST 10 11:00 AM
AVERAGE 30
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 82 1989
2012
MINIMUM TEMPERATURE (F) 29 9 2013
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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