203
CDUS45 KRIW 170041
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
641 PM MDT SAT AUG 16 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 16 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 91 4:08 PM 96 1982 87 4 92
1995
2002
MINIMUM 68 7:30 AM 38 2009 52 16 50
AVERAGE 80 69 11 71
PRECIPITATION (IN)
TODAY 0.00 0.19 1992 0.02 -0.02 T
MONTH TO DATE 0.22 0.47 -0.25 0.19
SINCE JUN 1 1.89 3.00 -1.11 1.52
SINCE JAN 1 6.81 8.51 -1.70 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 4 0 6
SINCE JUN 1 100 144 -44 76
SINCE JUL 1 9 18 -9 22
COOLING
TODAY 15 5 10 6
MONTH TO DATE 95 99 -4 96
SINCE JUN 1 397 350 47 384
SINCE JAN 1 397 354 43 387
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 14.3
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 53
LOWEST 16
AVERAGE 35
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 97 2013
2020
MINIMUM TEMPERATURE (F) 51 36 2002
2009
SUNRISE AND SUNSET
AUGUST 16 2025........SUNRISE 6:13 AM MDT SUNSET 8:06 PM MDT
AUGUST 17 2025........SUNRISE 6:15 AM MDT SUNSET 8:04 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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