Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 250730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE AUG 25 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 24 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 91 2:47 PM 97 1994 85 6 81
MINIMUM 58 2:47 AM 39 2010 50 8 48
AVERAGE 75 67 8
PRECIPITATION (IN)
YESTERDAY T 0.29 2016 0.02 -0.02 0.00
MONTH TO DATE 1.89 0.64 1.25 0.23
SINCE JUN 1 2.57 3.17 -0.60 1.90
SINCE JAN 1 6.22 8.68 -2.46 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 2 -2 0
MONTH TO DATE 5 13 -8 4
SINCE JUN 1 97 153 -56 100
SINCE JUL 1 5 27 -22 9
COOLING
YESTERDAY 10 4 6 0
MONTH TO DATE 176 134 42 139
SINCE JUN 1 553 385 168 441
SINCE JAN 1 554 389 165 441
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:00 PM
LOWEST 15 2:00 PM
AVERAGE 47
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 1969
1994
2011
MINIMUM TEMPERATURE (F) 49 36 1964
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.
$$