320
CDUS45 KRIW 240045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT AUG 23 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 23 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 85 4:34 PM 98 2020 85 0 86
MINIMUM 50 5:42 AM 29 2015 50 0 61
AVERAGE 68 67 1 74
PRECIPITATION (IN)
TODAY 0.00 0.80 1972 0.02 -0.02 0.00
MONTH TO DATE 0.23 0.62 -0.39 0.19
SINCE JUN 1 1.90 3.15 -1.25 1.52
SINCE JAN 1 6.82 8.66 -1.84 6.78
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 1 -1 0
MONTH TO DATE 4 11 -7 6
SINCE JUN 1 100 151 -51 76
SINCE JUL 1 9 25 -16 22
COOLING
TODAY 3 4 -1 9
MONTH TO DATE 139 130 9 163
SINCE JUN 1 441 381 60 451
SINCE JAN 1 441 385 56 454
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 25
AVERAGE 54
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 1994
MINIMUM TEMPERATURE (F) 50 39 2010
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:21 AM MDT SUNSET 7:55 PM MDT
AUGUST 24 2025........SUNRISE 6:22 AM MDT SUNSET 7:53 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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