281
CDUS45 KRIW 050045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU SEP 04 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 4 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
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)
TODAY 0.00 0.14 2023 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)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 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
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50
LOWEST 17
AVERAGE 34
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2022
MINIMUM TEMPERATURE (F) 48 40 2008
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:42 AM MDT SUNSET 7:43 PM MDT
SEPTEMBER 5 2025.....SUNRISE 6:43 AM MDT SUNSET 7:41 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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