335
CDUS45 KRIW 010045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE JUN 30 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 30 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 4:01 PM 102 1990 85 -2 85
MINIMUM 47 4:44 AM 35 1968 49 -2 46
AVERAGE 65 67 -2 66
PRECIPITATION (IN)
TODAY T 0.34 1984 0.04 -0.04 0.00
MONTH TO DATE 0.55 1.34 -0.79 0.53
SINCE JUN 1 0.55 1.34 -0.79 0.53
SINCE JAN 1 4.20 6.85 -2.65 5.45
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 30.1 71.8 -41.7 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 92 127 -35 91
SINCE JUN 1 92 127 -35 91
SINCE JUL 1 5840 7487 -1647 7022
COOLING
TODAY 0 4 -4 1
MONTH TO DATE 35 51 -16 75
SINCE JUN 1 35 51 -16 75
SINCE JAN 1 36 55 -19 75
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 15.2
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 54
LOWEST 12
AVERAGE 33
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 100 2012
MINIMUM TEMPERATURE (F) 50 37 1968
SUNRISE AND SUNSET
JUNE 30 2026..........SUNRISE 5:30 AM MDT SUNSET 8:49 PM MDT
JULY 1 2026..........SUNRISE 5:31 AM MDT SUNSET 8:48 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