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CDUS45 KRIW 220045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT JUN 21 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 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 95 3:54 PM 100 2016 82 13 82
MINIMUM 51 2:14 AM 37 1960 47 4 53
2012
AVERAGE 73 64 9 68
PRECIPITATION (IN)
TODAY T 0.34 1996 0.04 -0.04 0.19
MONTH TO DATE 0.52 0.99 -0.47 0.80
SINCE JUN 1 0.52 0.99 -0.47 0.80
SINCE JAN 1 5.44 6.50 -1.06 6.06
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 0
MONTH TO DATE 73 108 -35 48
SINCE JUN 1 73 108 -35 48
SINCE JUL 1 7004 7468 -464 6995
COOLING
TODAY 8 2 6 3
MONTH TO DATE 51 26 25 43
SINCE JUN 1 51 26 25 43
SINCE JAN 1 51 30 21 46
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 14.4
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 72
LOWEST 7
AVERAGE 40
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1988
MINIMUM TEMPERATURE (F) 47 34 1989
SUNRISE AND SUNSET
JUNE 21 2025..........SUNRISE 5:27 AM MDT SUNSET 8:48 PM MDT
JUNE 22 2025..........SUNRISE 5:27 AM MDT SUNSET 8:49 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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