119
CDUS45 KRIW 040732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI SEP 04 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 3 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 3:57 PM 95 2017 82 3 88
MINIMUM 53 11:16 PM 31 2010 47 6 48
AVERAGE 69 64 5
PRECIPITATION (IN)
YESTERDAY 0.01 0.86 1943 0.02 -0.01 0.00
MONTH TO DATE 0.01 0.06 -0.05 0.01
SINCE SEP 1 0.01 0.06 -0.05 0.01
SINCE JAN 1 6.35 8.89 -2.54 7.32
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 0 9 -9 1
SINCE SEP 1 0 9 -9 1
SINCE JUL 1 5 54 -49 11
COOLING
YESTERDAY 4 2 2 3
MONTH TO DATE 16 7 9 4
SINCE SEP 1 16 7 9 4
SINCE JAN 1 609 419 190 454
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 14.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 2:00 AM
LOWEST 8 2:00 PM
AVERAGE 38
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 2022
MINIMUM TEMPERATURE (F) 46 34 2006
SUNRISE AND SUNSET
SEPTEMBER 4 2026.....SUNRISE 6:34 AM MDT SUNSET 7:35 PM MDT
SEPTEMBER 5 2026.....SUNRISE 6:35 AM MDT SUNSET 7:33 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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