Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 150727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI AUG 15 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 14 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 94 2:01 PM 99 2003 87 7 86
MINIMUM 57 4:57 AM 39 2023 52 5 51
AVERAGE 76 70 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 2008 0.02 -0.02 T
MONTH TO DATE 0.22 0.42 -0.20 0.19
SINCE JUN 1 1.89 2.95 -1.06 1.52
SINCE JAN 1 6.81 8.46 -1.65 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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 4 2 2 6
SINCE JUN 1 100 142 -42 76
SINCE JUL 1 9 16 -7 22
COOLING
YESTERDAY 11 5 6 4
MONTH TO DATE 74 89 -15 89
SINCE JUN 1 376 340 36 377
SINCE JAN 1 376 344 32 380
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 11:00 PM
LOWEST 12 2:00 PM
AVERAGE 35
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 95 1992
1994
2015
MINIMUM TEMPERATURE (F) 52 41 1974
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:12 AM MDT SUNSET 8:07 PM MDT
AUGUST 16 2025........SUNRISE 6:13 AM MDT SUNSET 8:06 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$