265
CDUS45 KRIW 100045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE SEP 09 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 9 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 3:01 PM 94 2021 77 3 89
MINIMUM 47 4:56 AM 24 2020 47 0 57
AVERAGE 64 62 2 73
PRECIPITATION (IN)
TODAY 0.00 0.10 2022 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.15 -0.15 0.03
SINCE SEP 1 0.00 0.15 -0.15 0.03
SINCE JAN 1 6.25 6.51 -0.26 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 1 4 -3 0
MONTH TO DATE 12 31 -19 3
SINCE SEP 1 12 31 -19 3
SINCE JUL 1 15 67 -52 21
COOLING
TODAY 0 2 -2 8
MONTH TO DATE 25 19 6 38
SINCE SEP 1 25 19 6 38
SINCE JAN 1 599 487 112 580
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.5
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 52
LOWEST 20
AVERAGE 36
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 2021
MINIMUM TEMPERATURE (F) 47 31 2007
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:47 AM MDT SUNSET 7:34 PM MDT
SEPTEMBER 10 2025.....SUNRISE 6:48 AM MDT SUNSET 7:32 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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