Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 230726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SUN AUG 23 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 22 2026...
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)
YESTERDAY
MAXIMUM 84 5:05 PM 97 2009 85 -1 81
2010
MINIMUM 59 5:14 AM 36 1966 50 9 54
AVERAGE 72 68 4
PRECIPITATION (IN)
YESTERDAY T 0.38 1992 0.02 -0.02 0.00
MONTH TO DATE 1.88 0.60 1.28 0.23
SINCE JUN 1 2.56 3.13 -0.57 1.90
SINCE JAN 1 6.21 8.64 -2.43 6.82
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 5 10 -5 4
SINCE JUN 1 97 150 -53 100
SINCE JUL 1 5 24 -19 9
COOLING
YESTERDAY 7 4 3 3
MONTH TO DATE 154 126 28 136
SINCE JUN 1 531 377 154 438
SINCE JAN 1 532 381 151 438
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 41 3:00 PM
AVERAGE 67
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 2020
MINIMUM TEMPERATURE (F) 50 29 2015
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.
$$