768
CDUS45 KRIW 050045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE AUG 04 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 4 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 79 3:06 PM 97 1941 89 -10 92
1979
1981
MINIMUM 45 3:25 AM 41 1980 54 -9 50
AVERAGE 62 72 -10 71
PRECIPITATION (IN)
TODAY 0.00 0.84 1990 0.03 -0.03 0.00
MONTH TO DATE 0.00 0.13 -0.13 0.22
SINCE JUN 1 0.68 2.66 -1.98 1.89
SINCE JAN 1 4.33 8.17 -3.84 6.81
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 3 0 3 0
MONTH TO DATE 3 0 3 0
SINCE JUN 1 95 140 -45 96
SINCE JUL 1 3 14 -11 5
COOLING
TODAY 0 7 -7 6
MONTH TO DATE 30 28 2 18
SINCE JUN 1 407 279 128 320
SINCE JAN 1 408 283 125 320
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68
LOWEST 15
AVERAGE 42
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 102 1979
MINIMUM TEMPERATURE (F) 54 39 1980
SUNRISE AND SUNSET
AUGUST 4 2026........SUNRISE 6:00 AM MDT SUNSET 8:23 PM MDT
AUGUST 5 2026........SUNRISE 6:01 AM MDT SUNSET 8:22 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page