080
CDUS45 KRIW 120045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUN 11 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 11 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 74 4:59 PM 95 2016 78 -4 90
MINIMUM 37 3:05 AM 33 2005 44 -7 45
AVERAGE 56 61 -5 68
PRECIPITATION (IN)
TODAY 0.00 0.70 1970 0.05 -0.05 T
MONTH TO DATE T 0.58 -0.58 0.23
SINCE JUN 1 T 0.58 -0.58 0.23
SINCE JAN 1 3.65 6.09 -2.44 5.15
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 29.6 71.8 -42.2 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 9 5 4 0
MONTH TO DATE 28 70 -42 69
SINCE JUN 1 28 70 -42 69
SINCE JUL 1 5776 7430 -1654 7000
COOLING
TODAY 0 1 -1 3
MONTH TO DATE 14 10 4 6
SINCE JUN 1 14 10 4 6
SINCE JAN 1 15 14 1 6
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 13.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70
LOWEST 11
AVERAGE 41
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1956
MINIMUM TEMPERATURE (F) 45 31 1969
1985
SUNRISE AND SUNSET
JUNE 11 2026..........SUNRISE 5:27 AM MDT SUNSET 8:45 PM MDT
JUNE 12 2026..........SUNRISE 5:27 AM MDT SUNSET 8:45 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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