675
CDUS45 KRIW 260045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON AUG 25 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 25 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 84 3:01 PM 96 1969 85 -1 81
1994
2011
MINIMUM 49 5:18 AM 36 1964 49 0 57
AVERAGE 67 67 0 69
PRECIPITATION (IN)
TODAY 0.00 0.85 1987 0.03 -0.03 0.05
MONTH TO DATE 0.23 0.67 -0.44 0.24
SINCE JUN 1 1.90 3.20 -1.30 1.57
SINCE JAN 1 6.82 8.71 -1.89 6.83
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 4 15 -11 6
SINCE JUN 1 100 155 -55 76
SINCE JUL 1 9 29 -20 22
COOLING
TODAY 2 4 -2 4
MONTH TO DATE 141 138 3 179
SINCE JUN 1 443 389 54 467
SINCE JAN 1 443 393 50 470
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 16
AVERAGE 56
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 1994
MINIMUM TEMPERATURE (F) 49 39 2005
SUNRISE AND SUNSET
AUGUST 25 2025........SUNRISE 6:23 AM MDT SUNSET 7:52 PM MDT
AUGUST 26 2025........SUNRISE 6:24 AM MDT SUNSET 7:50 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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