Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 090733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT TUE JUN 09 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JUNE 8 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 84 3:49 PM 96 2000 77 7 74
MINIMUM 40 4:53 AM 33 1979 44 -4 39
2019
AVERAGE 62 60 2
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 T 1995 0.0 0.0 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 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
YESTERDAY 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 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 AM
LOWEST 18 4:00 PM
AVERAGE 47
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 1973
2001
2018
MINIMUM TEMPERATURE (F) 44 27 2019
SUNRISE AND SUNSET
JUNE 9 2026..........SUNRISE 5:27 AM MDT SUNSET 8:44 PM MDT
JUNE 10 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.
$$