820
CDUS45 KRIW 090730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU JUL 09 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 8 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 91 4:41 PM 102 1989 88 3 97
MINIMUM 50 4:33 AM 38 2010 52 -2 51
AVERAGE 71 70 1
PRECIPITATION (IN)
YESTERDAY 0.00 0.36 1978 0.04 -0.04 0.00
MONTH TO DATE T 0.30 -0.30 0.15
SINCE JUN 1 0.55 1.64 -1.09 0.68
SINCE JAN 1 4.20 7.15 -2.95 5.60
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 1 -1 0
MONTH TO DATE 0 8 -8 0
SINCE JUN 1 92 134 -42 91
SINCE JUL 1 0 8 -8 0
COOLING
YESTERDAY 6 6 0 9
MONTH TO DATE 50 38 12 61
SINCE JUN 1 85 89 -4 136
SINCE JAN 1 86 93 -7 136
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WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 16 5:00 PM
AVERAGE 55
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 2025
MINIMUM TEMPERATURE (F) 52 40 1959
2004
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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