739
CDUS45 KRIW 110045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON AUG 10 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 10 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 97 12:52 PM 101 2022 88 9 80
MINIMUM 56 4:07 AM 39 2002 53 3 50
AVERAGE 77 71 6 65
PRECIPITATION (IN)
TODAY T 1.17 1941 0.03 -0.03 T
MONTH TO DATE T 0.32 -0.32 0.22
SINCE JUN 1 0.68 2.85 -2.17 1.89
SINCE JAN 1 4.33 8.36 -4.03 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 0 0 0 0
MONTH TO DATE 3 0 3 4
SINCE JUN 1 95 140 -45 100
SINCE JUL 1 3 14 -11 9
COOLING
TODAY 12 6 6 0
MONTH TO DATE 81 66 15 49
SINCE JUN 1 458 317 141 351
SINCE JAN 1 459 321 138 351
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 46 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 78 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47
LOWEST 12
AVERAGE 30
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2000
MINIMUM TEMPERATURE (F) 53 39 2004
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 6:07 AM MDT SUNSET 8:15 PM MDT
AUGUST 11 2026........SUNRISE 6:08 AM MDT SUNSET 8:14 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