Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 030048
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
648 PM MDT TUE SEP 02 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 85 1:53 PM 98 2019 82 3 94
MINIMUM 46 5:55 AM 32 2008 47 -1 59
AVERAGE 66 64 2 77
PRECIPITATION (IN)
TODAY 0.01 1.46 1973 0.02 -0.01 0.00
MONTH TO DATE 0.01 0.04 -0.03 0.00
SINCE SEP 1 0.01 0.04 -0.03 0.00
SINCE JAN 1 7.32 8.87 -1.55 6.98
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
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 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 1 6 -5 0
SINCE SEP 1 1 6 -5 0
SINCE JUL 1 11 51 -40 38
COOLING
TODAY 1 2 -1 12
MONTH TO DATE 1 5 -4 15
SINCE SEP 1 1 5 -4 15
SINCE JAN 1 451 417 34 490
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 17
AVERAGE 50
..........................................................
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 2025.....SUNRISE 6:32 AM MDT SUNSET 7:38 PM MDT
SEPTEMBER 3 2025.....SUNRISE 6:33 AM MDT SUNSET 7:36 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$