681
CDUS45 KRIW 300045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT AUG 29 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 29 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 85 11:55 AM 97 2012 83 2 79
MINIMUM 58 3:12 AM 36 2024 48 10 53
AVERAGE 72 66 6 66
PRECIPITATION (IN)
TODAY T 0.15 1969 0.02 -0.02 0.00
MONTH TO DATE 2.01 0.75 1.26 0.70
SINCE JUN 1 2.69 3.28 -0.59 2.37
SINCE JAN 1 6.34 8.79 -2.45 7.29
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 2 -2 0
MONTH TO DATE 5 23 -18 4
SINCE JUN 1 97 163 -66 100
SINCE JUL 1 5 37 -32 9
COOLING
TODAY 7 3 4 1
MONTH TO DATE 208 150 58 147
SINCE JUN 1 585 401 184 449
SINCE JAN 1 586 405 181 449
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 24.0
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 72
LOWEST 27
AVERAGE 50
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1948
MINIMUM TEMPERATURE (F) 48 34 1965
2024
SUNRISE AND SUNSET
AUGUST 29 2026........SUNRISE 6:27 AM MDT SUNSET 7:45 PM MDT
AUGUST 30 2026........SUNRISE 6:28 AM MDT SUNSET 7:44 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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