Climatological Report (Daily)
Issued by NWS
Issued by NWS
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948
CDUS45 KRIW 240045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN AUG 23 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 23 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 91 2:59 PM 98 2020 85 6 85
MINIMUM 63 5:01 AM 29 2015 50 13 50
AVERAGE 77 67 10 68
PRECIPITATION (IN)
TODAY 0.01 0.80 1972 0.02 -0.01 0.00
MONTH TO DATE 1.89 0.62 1.27 0.23
SINCE JUN 1 2.57 3.15 -0.58 1.90
SINCE JAN 1 6.22 8.66 -2.44 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 1 -1 0
MONTH TO DATE 5 11 -6 4
SINCE JUN 1 97 151 -54 100
SINCE JUL 1 5 25 -20 9
COOLING
TODAY 12 4 8 3
MONTH TO DATE 166 130 36 139
SINCE JUN 1 543 381 162 441
SINCE JAN 1 544 385 159 441
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81
LOWEST 18
AVERAGE 50
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 1994
MINIMUM TEMPERATURE (F) 50 39 2010
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:21 AM MDT SUNSET 7:55 PM MDT
AUGUST 24 2026........SUNRISE 6:22 AM MDT SUNSET 7:54 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$