912
CDUS45 KRIW 130045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN APR 12 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 12 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 71 3:59 PM 77 2025 55 16 77
MINIMUM 38 2:50 AM -6 1997 27 11 33
AVERAGE 55 41 14 55
PRECIPITATION (IN)
TODAY T 0.31 1945 0.05 -0.05 0.00
MONTH TO DATE 0.22 0.49 -0.27 0.29
SINCE MAR 1 0.38 1.33 -0.95 1.62
SINCE JAN 1 0.92 2.38 -1.46 2.34
SNOWFALL (IN)
TODAY MM 0.4 MM 0.0
MONTH TO DATE 1.3 4.8 -3.5 3.7
SINCE MAR 1 2.9 15.1 -12.2 11.7
SINCE JUL 1 18.6 63.4 -44.8 22.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 24 -14 10
MONTH TO DATE 241 293 -52 281
SINCE MAR 1 827 1200 -373 1130
SINCE JUL 1 5004 6562 -1558 6145
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 35 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 20.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70
LOWEST 13
AVERAGE 42
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 79 2017
MINIMUM TEMPERATURE (F) 28 7 2020
2022
SUNRISE AND SUNSET
APRIL 12 2026.........SUNRISE 6:29 AM MDT SUNSET 7:45 PM MDT
APRIL 13 2026.........SUNRISE 6:27 AM MDT SUNSET 7:46 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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