146
CDUS45 KRIW 260735
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT FRI JUN 26 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 25 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 12:13 PM 100 2012 84 -10 80
MINIMUM 49 11:59 PM 38 1993 48 1 50
2023
AVERAGE 62 66 -4
PRECIPITATION (IN)
YESTERDAY 0.48 1.09 2021 0.04 0.44 T
MONTH TO DATE 0.55 1.15 -0.60 0.52
SINCE JUN 1 0.55 1.15 -0.60 0.52
SINCE JAN 1 4.20 6.66 -2.46 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 3 2 1 0
MONTH TO DATE 87 117 -30 91
SINCE JUN 1 87 117 -30 91
SINCE JUL 1 5835 7477 -1642 7022
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 25 36 -11 51
SINCE JUN 1 25 36 -11 51
SINCE JAN 1 26 40 -14 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 44 1:00 PM
AVERAGE 72
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1994
MINIMUM TEMPERATURE (F) 48 37 2000
SUNRISE AND SUNSET
JUNE 26 2026..........SUNRISE 5:29 AM MDT SUNSET 8:49 PM MDT
JUNE 27 2026..........SUNRISE 5:29 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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