163
CDUS45 KRIW 110730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN OCT 11 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 10 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 79 11:47 AM 85 2015 62 17 70
MINIMUM 54 7:08 PM 11 2009 33 21 37
AVERAGE 67 48 19
PRECIPITATION (IN)
YESTERDAY 0.02 0.33 2008 0.05 -0.03 0.00
MONTH TO DATE 0.02 0.45 -0.43 0.66
SINCE SEP 1 0.78 1.40 -0.62 3.21
SINCE JAN 1 7.12 10.23 -3.11 10.52
SNOWFALL (IN)
YESTERDAY 0.0 3.3 1977 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.9 -1.9 0.0
SINCE SEP 1 0.0 3.4 -3.4 0.0
SINCE JUL 1 0.0 3.4 -3.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 18 -18 11
MONTH TO DATE 46 155 -109 124
SINCE SEP 1 154 369 -215 237
SINCE JUL 1 159 414 -255 247
COOLING
YESTERDAY 2 0 2 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 37 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 16.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 6:00 PM
LOWEST 20 12:00 PM
AVERAGE 50
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 84 1996
MINIMUM TEMPERATURE (F) 32 16 2009
2019
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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