Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 230727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT AUG 23 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 22 2025...
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)
YESTERDAY
MAXIMUM 81 3:13 PM 97 2009 85 -4 89
2010
MINIMUM 54 5:32 AM 36 1966 50 4 50
AVERAGE 68 68 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.38 1992 0.02 -0.02 T
MONTH TO DATE 0.23 0.60 -0.37 0.19
SINCE JUN 1 1.90 3.13 -1.23 1.52
SINCE JAN 1 6.82 8.64 -1.82 6.78
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 4 10 -6 6
SINCE JUN 1 100 150 -50 76
SINCE JUL 1 9 24 -15 22
COOLING
YESTERDAY 3 4 -1 5
MONTH TO DATE 136 126 10 154
SINCE JUN 1 438 377 61 442
SINCE JAN 1 438 381 57 445
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 11.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 38 3:00 PM
AVERAGE 63
..........................................................
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 2025........SUNRISE 6:21 AM MDT SUNSET 7:55 PM MDT
AUGUST 24 2025........SUNRISE 6:22 AM MDT SUNSET 7:53 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$