329
CDUS45 KRIW 280729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SUN JUN 28 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 27 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 85 1:13 PM 101 1970 84 1 95
1990
MINIMUM 59 11:59 PM 38 2011 48 11 52
AVERAGE 72 66 6
PRECIPITATION (IN)
YESTERDAY T 0.52 2014 0.04 -0.04 0.00
MONTH TO DATE 0.55 1.23 -0.68 0.52
SINCE JUN 1 0.55 1.23 -0.68 0.52
SINCE JAN 1 4.20 6.74 -2.54 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 87 121 -34 91
SINCE JUN 1 87 121 -34 91
SINCE JUL 1 5835 7481 -1646 7022
COOLING
YESTERDAY 7 3 4 9
MONTH TO DATE 35 42 -7 60
SINCE JUN 1 35 42 -7 60
SINCE JAN 1 36 46 -10 60
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 14.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 11:00 PM
LOWEST 15 1:00 PM
AVERAGE 34
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 1990
2012
2018
MINIMUM TEMPERATURE (F) 49 38 2000
SUNRISE AND SUNSET
JUNE 28 2026..........SUNRISE 5:30 AM MDT SUNSET 8:49 PM MDT
JUNE 29 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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