501
CDUS45 KRIW 090045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON JUN 08 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 8 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 84 3:49 PM 96 2000 77 7 74
MINIMUM 40 4:53 AM 33 1979 44 -4 39
2019
AVERAGE 62 60 2 57
PRECIPITATION (IN)
TODAY 0.00 0.87 1995 0.05 -0.05 0.00
MONTH TO DATE T 0.44 -0.44 0.23
SINCE JUN 1 T 0.44 -0.44 0.23
SINCE JAN 1 3.65 5.95 -2.30 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 3 6 -3 8
MONTH TO DATE 10 54 -44 64
SINCE JUN 1 10 54 -44 64
SINCE JUL 1 5758 7414 -1656 6995
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 14 7 7 3
SINCE JUN 1 14 7 7 3
SINCE JAN 1 15 11 4 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76
LOWEST 18
AVERAGE 47
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 1973
2001
2018
MINIMUM TEMPERATURE (F) 44 27 2019
SUNRISE AND SUNSET
JUNE 8 2026..........SUNRISE 5:27 AM MDT SUNSET 8:43 PM MDT
JUNE 9 2026..........SUNRISE 5:27 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.
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