747
CDUS45 KRIW 150045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN SEP 14 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 14 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 77 4:19 PM 85 2018 75 2 77
MINIMUM 45 5:27 AM 33 2003 45 0 41
AVERAGE 61 60 1 59
PRECIPITATION (IN)
TODAY 0.00 0.39 2011 0.02 -0.02 0.00
MONTH TO DATE T 0.27 -0.27 0.06
SINCE SEP 1 T 0.27 -0.27 0.06
SINCE JAN 1 6.25 6.63 -0.38 5.49
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 4 6 -2 6
MONTH TO DATE 21 58 -37 22
SINCE SEP 1 21 58 -37 22
SINCE JUL 1 24 94 -70 40
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 36 24 12 47
SINCE SEP 1 36 24 12 47
SINCE JAN 1 610 492 118 589
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 20
AVERAGE 50
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 2000
2018
MINIMUM TEMPERATURE (F) 45 37 2004
2014
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 6:53 AM MDT SUNSET 7:25 PM MDT
SEPTEMBER 15 2025.....SUNRISE 6:54 AM MDT SUNSET 7:23 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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