951
CDUS45 KRIW 120726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI JUN 12 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 11 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 74 MM 95 2016 78 -4 90
MINIMUM 37 MM 33 2005 44 -7 45
AVERAGE 56 61 -5
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 0.0 2021 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 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
YESTERDAY 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 20 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 2:00 AM
LOWEST 11 5:00 PM
AVERAGE 41
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1956
MINIMUM TEMPERATURE (F) 45 31 1969
1985
SUNRISE AND SUNSET
JUNE 12 2026..........SUNRISE 5:27 AM MDT SUNSET 8:45 PM MDT
JUNE 13 2026..........SUNRISE 5:27 AM MDT SUNSET 8:46 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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