925
CDUS45 KRIW 180045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUL 17 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 17 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 94 3:22 PM 101 2023 90 4 93
MINIMUM 55 12:55 AM 43 1982 54 1 50
AVERAGE 75 72 3 72
PRECIPITATION (IN)
TODAY 0.00 0.28 1967 0.04 -0.04 0.08
MONTH TO DATE 0.45 0.66 -0.21 0.26
SINCE JUN 1 0.98 2.00 -1.02 1.06
SINCE JAN 1 5.90 7.51 -1.61 6.32
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 5 9 -4 16
SINCE JUN 1 96 135 -39 70
SINCE JUL 1 5 9 -4 16
COOLING
TODAY 10 7 3 7
MONTH TO DATE 118 95 23 91
SINCE JUN 1 193 146 47 194
SINCE JAN 1 193 150 43 197
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 12
AVERAGE 55
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 103 1998
MINIMUM TEMPERATURE (F) 54 44 1949
1980
2005
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:43 AM MDT SUNSET 8:41 PM MDT
JULY 18 2025..........SUNRISE 5:44 AM MDT SUNSET 8:40 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