051
CDUS45 KRIW 050735
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT FRI SEP 05 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 4 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 79 1:25 PM 100 2022 81 -2 72
MINIMUM 46 11:30 PM 34 2006 46 0 49
AVERAGE 63 64 -1
PRECIPITATION (IN)
YESTERDAY 0.00 0.45 2016 0.02 -0.02 0.06
MONTH TO DATE 0.01 0.08 -0.07 0.15
SINCE SEP 1 0.01 0.08 -0.07 0.15
SINCE JAN 1 7.32 8.91 -1.59 7.13
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 2 3 -1 4
MONTH TO DATE 3 12 -9 4
SINCE SEP 1 3 12 -9 4
SINCE JUL 1 13 57 -44 42
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 4 9 -5 25
SINCE SEP 1 4 9 -5 25
SINCE JAN 1 454 421 33 500
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WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 5:00 AM
LOWEST 18 11:00 AM
AVERAGE 45
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 2020
MINIMUM TEMPERATURE (F) 46 34 1965
SUNRISE AND SUNSET
SEPTEMBER 5 2025.....SUNRISE 6:35 AM MDT SUNSET 7:33 PM MDT
SEPTEMBER 6 2025.....SUNRISE 6:36 AM MDT SUNSET 7:31 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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