557
CDUS45 KRIW 010045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI JUL 31 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 31 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 94 2:48 PM 99 1988 90 4 85
MINIMUM 50 4:46 AM 42 1968 55 -5 52
AVERAGE 72 72 0 69
PRECIPITATION (IN)
TODAY 0.00 0.57 1996 0.03 -0.03 0.01
MONTH TO DATE 0.13 1.19 -1.06 1.14
SINCE JUN 1 0.68 2.53 -1.85 1.67
SINCE JAN 1 4.33 8.04 -3.71 6.59
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 7 7 0 4
MONTH TO DATE 342 200 142 227
SINCE JUN 1 377 251 126 302
SINCE JAN 1 378 255 123 302
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 14
AVERAGE 49
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 99 2008
MINIMUM TEMPERATURE (F) 55 42 1968
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 5:56 AM MDT SUNSET 8:28 PM MDT
AUGUST 1 2026........SUNRISE 5:57 AM MDT SUNSET 8:27 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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