Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 260045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE AUG 25 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 25 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 4:32 PM 96 1969 85 -2 84
1994
2011
MINIMUM 55 5:52 AM 36 1964 49 6 49
AVERAGE 69 67 2 67
PRECIPITATION (IN)
TODAY 0.00 0.85 1987 0.03 -0.03 0.00
MONTH TO DATE 1.89 0.67 1.22 0.23
SINCE JUN 1 2.57 3.20 -0.63 1.90
SINCE JAN 1 6.22 8.71 -2.49 6.82
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 5 15 -10 4
SINCE JUN 1 97 155 -58 100
SINCE JUL 1 5 29 -24 9
COOLING
TODAY 4 4 0 2
MONTH TO DATE 180 138 42 141
SINCE JUN 1 557 389 168 443
SINCE JAN 1 558 393 165 443
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.5
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 84
LOWEST 24
AVERAGE 54
..........................................................
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 2026........SUNRISE 6:23 AM MDT SUNSET 7:52 PM MDT
AUGUST 26 2026........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.
$$