837
CDUS45 KRIW 120045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT OCT 11 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 11 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 65 2:21 PM 84 1996 62 3 79
MINIMUM 56 3:49 AM 16 2009 32 24 41
2019
AVERAGE 61 47 14 60
PRECIPITATION (IN)
TODAY 0.03 0.45 1943 0.04 -0.01 0.00
MONTH TO DATE 0.69 0.49 0.20 0.00
SINCE SEP 1 3.24 1.44 1.80 0.24
SINCE JAN 1 10.55 10.27 0.28 7.22
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 2.1 -2.1 0.0
SINCE SEP 1 0.0 3.6 -3.6 0.0
SINCE JUL 1 0.0 3.6 -3.6 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 4 18 -14 5
MONTH TO DATE 128 173 -45 93
SINCE SEP 1 241 387 -146 195
SINCE JUL 1 251 432 -181 233
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 30 -13 63
SINCE JAN 1 467 442 25 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 15.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 63
AVERAGE 73
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 81 1991
MINIMUM TEMPERATURE (F) 32 9 1969
SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE 7:15 AM MDT SUNSET 6:29 PM MDT
OCTOBER 12 2025.......SUNRISE 7:16 AM MDT SUNSET 6:28 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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