490
CDUS45 KRIW 100732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED JUN 10 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 9 2026
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)
YESTERDAY
MAXIMUM 80 2:33 PM 93 1973 77 3 85
2001
2018
MINIMUM 46 4:30 AM 27 2019 44 2 35
AVERAGE 63 60 3
PRECIPITATION (IN)
YESTERDAY T 1.06 1986 0.05 -0.05 0.00
MONTH TO DATE T 0.49 -0.49 0.23
SINCE JUN 1 T 0.49 -0.49 0.23
SINCE JAN 1 3.65 6.00 -2.35 5.15
SNOWFALL (IN)
YESTERDAY MM 2.1 1995 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
YESTERDAY 2 6 -4 5
MONTH TO DATE 12 60 -48 69
SINCE JUN 1 12 60 -48 69
SINCE JUL 1 5760 7420 -1660 7000
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 8 6 3
SINCE JUN 1 14 8 6 3
SINCE JAN 1 15 12 3 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 61 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 17.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 2:00 AM
LOWEST 17 3:00 PM
AVERAGE 49
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1988
MINIMUM TEMPERATURE (F) 44 25 2019
SUNRISE AND SUNSET
JUNE 10 2026..........SUNRISE 5:27 AM MDT SUNSET 8:44 PM MDT
JUNE 11 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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