655
CDUS45 KRIW 230728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT THU JUL 23 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 22 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 92 3:29 PM 103 2005 90 2 95
MINIMUM 67 11:59 PM 44 1978 54 13 64
AVERAGE 80 72 8
PRECIPITATION (IN)
YESTERDAY 0.04 1.78 1983 0.04 0.00 T
MONTH TO DATE 0.09 0.86 -0.77 0.45
SINCE JUN 1 0.64 2.20 -1.56 0.98
SINCE JAN 1 4.29 7.71 -3.42 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 15 8 7 15
MONTH TO DATE 224 131 93 167
SINCE JUN 1 259 182 77 242
SINCE JAN 1 260 186 74 242
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 7:00 PM
LOWEST 25 1:00 PM
AVERAGE 56
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 100 2000
2006
2014
MINIMUM TEMPERATURE (F) 55 43 1972
SUNRISE AND SUNSET
JULY 23 2026..........SUNRISE 5:48 AM MDT SUNSET 8:36 PM MDT
JULY 24 2026..........SUNRISE 5:49 AM MDT SUNSET 8:35 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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