Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 240045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUL 23 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 23 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 90 MM 100 2000 90 0 85
2006
2014
MINIMUM 64 MM 43 1972 55 9 56
AVERAGE 77 72 5 71
PRECIPITATION (IN)
TODAY 0.03 1.14 1977 0.04 -0.01 T
MONTH TO DATE 0.12 0.90 -0.78 0.45
SINCE JUN 1 0.67 2.24 -1.57 0.98
SINCE JAN 1 4.32 7.75 -3.43 5.90
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 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
TODAY 12 8 4 6
MONTH TO DATE 236 139 97 173
SINCE JUN 1 271 190 81 248
SINCE JAN 1 272 194 78 248
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 35
AVERAGE 64
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 100 1959
2003
MINIMUM TEMPERATURE (F) 55 45 2010
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.
$$