603
CDUS45 KRIW 120046
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
646 PM MDT SUN OCT 11 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 11 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 67 4:25 PM 84 1996 62 5 65
MINIMUM 43 7:50 AM 16 2009 32 11 55
2019
AVERAGE 55 47 8 60
PRECIPITATION (IN)
TODAY 0.02 0.45 1943 0.04 -0.02 0.03
MONTH TO DATE 0.04 0.49 -0.45 0.69
SINCE SEP 1 0.80 1.44 -0.64 3.24
SINCE JAN 1 7.14 10.27 -3.13 10.55
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 10 18 -8 5
MONTH TO DATE 56 173 -117 129
SINCE SEP 1 164 387 -223 242
SINCE JUL 1 169 432 -263 252
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE SEP 1 47 30 17 17
SINCE JAN 1 640 442 198 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89
LOWEST 48
AVERAGE 69
......................................................
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 2026.......SUNRISE 7:15 AM MDT SUNSET 6:30 PM MDT
OCTOBER 12 2026.......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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