110
CDUS45 KRIW 260727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN JUL 26 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 25 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 102R 2:54 PM 100 2024 90 12 94
MINIMUM 69 2:11 AM 46 2004 55 14 60
AVERAGE 86 72 14
PRECIPITATION (IN)
YESTERDAY 0.00 1.62 2007 0.04 -0.04 0.00
MONTH TO DATE 0.12 0.97 -0.85 0.45
SINCE JUN 1 0.67 2.31 -1.64 0.98
SINCE JAN 1 4.32 7.82 -3.50 5.90
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 9 -9 5
SINCE JUN 1 92 135 -43 96
SINCE JUL 1 0 9 -9 5
COOLING
YESTERDAY 21 8 13 12
MONTH TO DATE 272 155 117 189
SINCE JUN 1 307 206 101 264
SINCE JAN 1 308 210 98 264
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 42 2:00 AM
LOWEST 15 3:00 PM
AVERAGE 29
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 98 2008
2010
MINIMUM TEMPERATURE (F) 55 40 1971
SUNRISE AND SUNSET
JULY 26 2026..........SUNRISE 5:51 AM MDT SUNSET 8:33 PM MDT
JULY 27 2026..........SUNRISE 5:52 AM MDT SUNSET 8:32 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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