184
CDUS45 KRIW 030045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED SEP 02 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 2 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 85 1:24 PM 98 2019 82 3 85
MINIMUM 57 4:05 AM 32 2008 47 10 46
AVERAGE 71 64 7 66
PRECIPITATION (IN)
TODAY T 1.46 1973 0.02 -0.02 0.01
MONTH TO DATE T 0.04 -0.04 0.01
SINCE SEP 1 T 0.04 -0.04 0.01
SINCE JAN 1 6.34 8.87 -2.53 7.32
SNOWFALL (IN)
TODAY MM 0.0 MM MM
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 0 6 -6 1
SINCE SEP 1 0 6 -6 1
SINCE JUL 1 5 51 -46 11
COOLING
TODAY 6 2 4 1
MONTH TO DATE 12 5 7 1
SINCE SEP 1 12 5 7 1
SINCE JAN 1 605 417 188 451
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 16.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58
LOWEST 19
AVERAGE 39
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 95 2017
MINIMUM TEMPERATURE (F) 47 31 2010
SUNRISE AND SUNSET
SEPTEMBER 2 2026.....SUNRISE 6:32 AM MDT SUNSET 7:38 PM MDT
SEPTEMBER 3 2026.....SUNRISE 6:33 AM MDT SUNSET 7:37 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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