179
CDUS45 KRIW 270729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT JUN 27 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 26 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 91 3:02 PM 100 1994 84 7 89
MINIMUM 45 4:41 AM 37 2000 48 -3 40
AVERAGE 68 66 2
PRECIPITATION (IN)
YESTERDAY 0.00 0.57 1985 0.04 -0.04 0.00
MONTH TO DATE 0.55 1.19 -0.64 0.52
SINCE JUN 1 0.55 1.19 -0.64 0.52
SINCE JAN 1 4.20 6.70 -2.50 5.44
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 87 119 -32 91
SINCE JUN 1 87 119 -32 91
SINCE JUL 1 5835 7479 -1644 7022
COOLING
YESTERDAY 3 3 0 0
MONTH TO DATE 28 39 -11 51
SINCE JUN 1 28 39 -11 51
SINCE JAN 1 29 43 -14 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 16 3:00 PM
AVERAGE 58
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 101 1970
1990
MINIMUM TEMPERATURE (F) 48 38 2011
SUNRISE AND SUNSET
JUNE 27 2026..........SUNRISE 5:29 AM MDT SUNSET 8:49 PM MDT
JUNE 28 2026..........SUNRISE 5:30 AM MDT SUNSET 8:49 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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