Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 020045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON JUN 01 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JUNE 1 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 79 3:31 PM 92 2025 74 5 92
MINIMUM 40 4:30 AM 30 1951 42 -2 44
AVERAGE 60 58 2 68
PRECIPITATION (IN)
TODAY 0.00 0.69 1991 0.06 -0.06 0.02
MONTH TO DATE 0.00 0.06 -0.06 0.02
SINCE JUN 1 0.00 0.06 -0.06 0.02
SINCE JAN 1 3.65 5.57 -1.92 4.94
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE MM 0.0 MM 0.0
SINCE JUN 1 MM 0.0 MM 0.0
SINCE JUL 1 29.6 71.7 -42.1 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 5 8 -3 0
MONTH TO DATE 5 8 -3 0
SINCE JUN 1 5 8 -3 0
SINCE JUL 1 5753 7368 -1615 6931
COOLING
TODAY 0 0 0 3
MONTH TO DATE 0 0 0 3
SINCE JUN 1 0 0 0 3
SINCE JAN 1 1 4 -3 3
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 15
AVERAGE 58
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2006
MINIMUM TEMPERATURE (F) 42 28 1951
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:30 AM MDT SUNSET 8:38 PM MDT
JUNE 2 2026..........SUNRISE 5:29 AM MDT SUNSET 8:39 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$