Climatological Report (Daily)
Issued by NWS
Issued by NWS
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959
CDUS45 KRIW 290045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU AUG 28 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 28 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 81 3:45 PM 95 1995 84 -3 92
2012
MINIMUM 54 5:56 AM 34 2004 48 6 44
AVERAGE 68 66 2 68
PRECIPITATION (IN)
TODAY 0.03 0.23 1964 0.02 0.01 0.00
MONTH TO DATE 0.70 0.73 -0.03 0.39
SINCE JUN 1 2.37 3.26 -0.89 1.72
SINCE JAN 1 7.29 8.77 -1.48 6.98
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 21 -17 10
SINCE JUN 1 100 161 -61 80
SINCE JUL 1 9 35 -26 26
COOLING
TODAY 3 3 0 3
MONTH TO DATE 146 147 -1 182
SINCE JUN 1 448 398 50 470
SINCE JAN 1 448 402 46 473
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 31
AVERAGE 66
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 97 2012
MINIMUM TEMPERATURE (F) 48 36 2024
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:26 AM MDT SUNSET 7:47 PM MDT
AUGUST 29 2025........SUNRISE 6:28 AM MDT SUNSET 7:45 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$