959
CDUS45 KRIW 260045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU SEP 25 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 80 3:45 PM 90 2024 69 11 90
MINIMUM 45 6:30 AM 25 2000 41 4 50
AVERAGE 63 55 8 70
PRECIPITATION (IN)
TODAY 0.00 0.11 2005 0.03 -0.03 0.00
MONTH TO DATE 0.99 0.60 0.39 0.07
SINCE SEP 1 0.99 0.60 0.39 0.07
SINCE JAN 1 7.24 6.96 0.28 5.50
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 2 10 -8 0
MONTH TO DATE 85 146 -61 77
SINCE SEP 1 85 146 -61 77
SINCE JUL 1 88 182 -94 95
COOLING
TODAY 0 0 0 5
MONTH TO DATE 37 28 9 52
SINCE SEP 1 37 28 9 52
SINCE JAN 1 611 496 115 594
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 26
AVERAGE 61
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 2015
MINIMUM TEMPERATURE (F) 40 24 1996
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 7:05 AM MDT SUNSET 7:05 PM MDT
SEPTEMBER 26 2025.....SUNRISE 7:06 AM MDT SUNSET 7:03 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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