650
CDUS45 KRIW 120728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN OCT 12 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 11 2025
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)
YESTERDAY
MAXIMUM 65 2:21 PM 84 1996 62 3 79
MINIMUM 55 11:05 PM 16 2009 32 23 41
2019
AVERAGE 60 47 13
PRECIPITATION (IN)
YESTERDAY 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)
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 5 18 -13 5
MONTH TO DATE 129 173 -44 93
SINCE SEP 1 242 387 -145 195
SINCE JUL 1 252 432 -180 233
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 15.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 12:00 PM
LOWEST 63 9:00 AM
AVERAGE 73
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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 2025.......SUNRISE 7:16 AM MDT SUNSET 6:28 PM MDT
OCTOBER 13 2025.......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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