943
CDUS45 KRIW 050735
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT FRI SEP 05 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 4 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 1:39 PM 100 2022 80 2 75
MINIMUM 53 5:48 AM 37 2008 49 4 53
AVERAGE 68 64 4 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 0.01 -0.01 0.02
MONTH TO DATE 0.00 0.06 -0.06 0.03
SINCE SEP 1 0.00 0.06 -0.06 0.03
SINCE JAN 1 6.25 6.42 -0.17 5.46
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0
MONTH TO DATE 0.0 0.0
SINCE SEP 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 1
MONTH TO DATE 0 12 -12 1
SINCE SEP 1 0 12 -12 1
SINCE JUL 1 3 48 -45 19
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 20 9 11 19
SINCE SEP 1 20 9 11 19
SINCE JAN 1 594 477 117 561
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 10:00 PM
LOWEST 17 1:00 PM
AVERAGE 40
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2022
MINIMUM TEMPERATURE (F) 48 40 2008
SUNRISE AND SUNSET
SEPTEMBER 5 2025.....SUNRISE 6:43 AM MDT SUNSET 7:41 PM MDT
SEPTEMBER 6 2025.....SUNRISE 6:44 AM MDT SUNSET 7:39 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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