Climatological Report (Daily)
Issued by NWS
Issued by NWS
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030
CDUS45 KRIW 230045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED JUL 22 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 22 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 92 3:29 PM 103 2005 90 2 95
MINIMUM 67 6:09 AM 44 1978 54 13 64
AVERAGE 80 72 8 80
PRECIPITATION (IN)
TODAY T 1.78 1983 0.04 -0.04 T
MONTH TO DATE 0.05 0.86 -0.81 0.45
SINCE JUN 1 0.60 2.20 -1.60 0.98
SINCE JAN 1 4.25 7.71 -3.46 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 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 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70
LOWEST 25
AVERAGE 48
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 100 2000
2006
2014
MINIMUM TEMPERATURE (F) 55 43 1972
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 5:47 AM MDT SUNSET 8:37 PM MDT
JULY 23 2026..........SUNRISE 5:48 AM MDT SUNSET 8:36 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$