876
CDUS45 KRIW 210045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI JUN 20 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 20 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 95 2:45 PM 97 1988 82 13 81
MINIMUM 49 5:03 AM 37 1973 46 3 42
1996
AVERAGE 72 64 8 62
PRECIPITATION (IN)
TODAY T 0.68 1947 0.04 -0.04 0.03
MONTH TO DATE 0.52 0.95 -0.43 0.61
SINCE JUN 1 0.52 0.95 -0.43 0.61
SINCE JAN 1 5.44 6.46 -1.02 5.87
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 26.5 71.8 -45.3 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 3 -3 3
MONTH TO DATE 73 105 -32 48
SINCE JUN 1 73 105 -32 48
SINCE JUL 1 7004 7465 -461 6995
COOLING
TODAY 7 2 5 0
MONTH TO DATE 43 24 19 40
SINCE JUN 1 43 24 19 40
SINCE JAN 1 43 28 15 43
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 15.5
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 80
LOWEST 6
AVERAGE 43
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 2016
MINIMUM TEMPERATURE (F) 47 37 1960
2012
SUNRISE AND SUNSET
JUNE 20 2025..........SUNRISE 5:27 AM MDT SUNSET 8:48 PM MDT
JUNE 21 2025..........SUNRISE 5:27 AM MDT SUNSET 8:48 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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