664
CDUS45 KRIW 100045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUL 09 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 9 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 84 12:18 PM 100 2025 88 -4 100
MINIMUM 52 4:44 AM 40 1959 52 0 55
2004
AVERAGE 68 70 -2 78
PRECIPITATION (IN)
TODAY 0.05 1.18 1984 0.04 0.01 0.00
MONTH TO DATE 0.05 0.34 -0.29 0.15
SINCE JUN 1 0.60 1.68 -1.08 0.68
SINCE JAN 1 4.25 7.19 -2.94 5.60
SNOWFALL (IN)
TODAY MM 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 9 -9 0
SINCE JUN 1 92 135 -43 91
SINCE JUL 1 0 9 -9 0
COOLING
TODAY 3 6 -3 13
MONTH TO DATE 53 44 9 74
SINCE JUN 1 88 95 -7 149
SINCE JAN 1 89 99 -10 149
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 30
AVERAGE 60
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 101 1954
1994
MINIMUM TEMPERATURE (F) 52 39 2019
SUNRISE AND SUNSET
JULY 9 2026..........SUNRISE 5:36 AM MDT SUNSET 8:46 PM MDT
JULY 10 2026..........SUNRISE 5:37 AM MDT SUNSET 8:45 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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