418
CDUS45 KRIW 220045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON APR 21 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 21 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 60 3:07 PM 83 1989 57 3 67
MINIMUM 29 1:32 AM 14 1973 29 0 18
AVERAGE 45 43 2 43
PRECIPITATION (IN)
TODAY 0.02 0.63 1947 0.05 -0.03 0.00
MONTH TO DATE 0.78 0.91 -0.13 1.05
SINCE MAR 1 2.11 1.75 0.36 1.62
SINCE JAN 1 2.83 2.80 0.03 2.65
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 7.7 8.0 -0.3 6.6
SINCE MAR 1 15.7 18.3 -2.6 9.3
SINCE JUL 1 26.2 66.6 -40.4 38.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 20 22 -2 22
MONTH TO DATE 515 498 17 473
SINCE MAR 1 1364 1405 -41 1366
SINCE JUL 1 6379 6767 -388 6321
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 36 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 17.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 16
AVERAGE 57
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 81 1994
MINIMUM TEMPERATURE (F) 29 12 1967
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:14 AM MDT SUNSET 7:56 PM MDT
APRIL 22 2025.........SUNRISE 6:12 AM MDT SUNSET 7:57 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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