324
CDUS45 KRIW 280726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT THU AUG 28 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 27 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 1:28 AM 96 1995 84 -14 84
2011
2012
MINIMUM 59 11:59 PM 37 1976 49 10 46
AVERAGE 65 66 -1
PRECIPITATION (IN)
YESTERDAY 0.44R 0.24 1978 0.02 0.42 0.00
MONTH TO DATE 0.67 0.71 -0.04 0.39
SINCE JUN 1 2.34 3.24 -0.90 1.72
SINCE JAN 1 7.26 8.75 -1.49 6.98
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 4 19 -15 10
SINCE JUN 1 100 159 -59 80
SINCE JUL 1 9 33 -24 26
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 143 144 -1 179
SINCE JUN 1 445 395 50 467
SINCE JAN 1 445 399 46 470
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 55 2:00 AM
AVERAGE 74
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 95 1995
2012
MINIMUM TEMPERATURE (F) 48 34 2004
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:26 AM MDT SUNSET 7:47 PM MDT
AUGUST 29 2025........SUNRISE 6:28 AM MDT SUNSET 7:45 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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