950
CDUS45 KRIW 040727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT APR 04 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 3 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 32 11:06 AM 74 1943 54 -22 49
2021
MINIMUM 26 3:06 AM -5 2020 26 0 14
AVERAGE 29 40 -11
PRECIPITATION (IN)
YESTERDAY 0.22 0.90 2023 0.04 0.18 0.10
MONTH TO DATE 0.22 0.11 0.11 0.13
SINCE MAR 1 0.38 0.95 -0.57 1.46
SINCE JAN 1 0.92 2.00 -1.08 2.18
SNOWFALL (IN)
YESTERDAY MM 26.7 2023 0.4 MM 0.2
MONTH TO DATE 0.0 1.2 -1.2 0.2
SINCE MAR 1 1.6 11.5 -9.9 8.2
SINCE JUL 1 17.3 59.8 -42.5 18.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 36 25 11 33
MONTH TO DATE 76 75 1 92
SINCE MAR 1 662 982 -320 941
SINCE JUL 1 4839 6344 -1505 5956
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 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 AM
LOWEST 55 5:00 AM
AVERAGE 76
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 75 2021
MINIMUM TEMPERATURE (F) 27 5 1968
SUNRISE AND SUNSET
APRIL 4 2026.........SUNRISE 6:43 AM MDT SUNSET 7:36 PM MDT
APRIL 5 2026.........SUNRISE 6:41 AM MDT SUNSET 7:37 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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