609
CDUS45 KRIW 100045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT AUG 09 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 9 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 82 2:26 PM 99 1992 89 -7 74
MINIMUM 39R 5:02 AM 41 1995 53 -14 51
AVERAGE 61 71 -10 63
PRECIPITATION (IN)
TODAY 0.00 0.77 1974 0.03 -0.03 T
MONTH TO DATE 0.22 0.29 -0.07 T
SINCE JUN 1 1.89 2.82 -0.93 1.33
SINCE JAN 1 6.81 8.33 -1.52 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 4 0 4 2
MONTH TO DATE 4 0 4 6
SINCE JUN 1 100 140 -40 76
SINCE JUL 1 9 14 -5 22
COOLING
TODAY 0 6 -6 0
MONTH TO DATE 49 60 -11 70
SINCE JUN 1 351 311 40 358
SINCE JAN 1 351 315 36 361
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.9
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 79
LOWEST 13
AVERAGE 46
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 2022
MINIMUM TEMPERATURE (F) 53 39 2002
SUNRISE AND SUNSET
AUGUST 9 2025........SUNRISE 6:06 AM MDT SUNSET 8:16 PM MDT
AUGUST 10 2025........SUNRISE 6:07 AM MDT SUNSET 8:15 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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