278
CDUS45 KRIW 120045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI JUL 11 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 11 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 73 3:34 PM 103 1954 89 -16 100
MINIMUM 59 5:26 AM 39 1983 52 7 56
AVERAGE 66 71 -5 78
PRECIPITATION (IN)
TODAY 0.00 0.88 1951 0.04 -0.04 0.00
MONTH TO DATE 0.15 0.41 -0.26 0.11
SINCE JUN 1 0.68 1.75 -1.07 0.91
SINCE JAN 1 5.60 7.26 -1.66 6.17
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 0 9 -9 16
SINCE JUN 1 91 135 -44 70
SINCE JUL 1 0 9 -9 16
COOLING
TODAY 1 6 -5 13
MONTH TO DATE 86 56 30 26
SINCE JUN 1 161 107 54 129
SINCE JAN 1 161 111 50 132
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 13.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69
LOWEST 40
AVERAGE 55
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 104 1954
MINIMUM TEMPERATURE (F) 53 38 2008
SUNRISE AND SUNSET
JULY 11 2025..........SUNRISE 5:38 AM MDT SUNSET 8:45 PM MDT
JULY 12 2025..........SUNRISE 5:39 AM MDT SUNSET 8:44 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