204
CDUS45 KRIW 120729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON OCT 12 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 11 2026
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)
YESTERDAY
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
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 5.0 2008 0.2 -0.2 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 48 3:00 PM
AVERAGE 71
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 81 1991
MINIMUM TEMPERATURE (F) 32 9 1969
SUNRISE AND SUNSET
OCTOBER 12 2026.......SUNRISE 7:16 AM MDT SUNSET 6:28 PM MDT
OCTOBER 13 2026.......SUNRISE 7:17 AM MDT SUNSET 6:26 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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