416
CDUS45 KRIW 300045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE SEP 29 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 29 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 3:52 PM 90 2024 67 5 76
MINIMUM 44 6:25 AM 29 1999 39 5 49
AVERAGE 58 53 5 63
PRECIPITATION (IN)
TODAY 0.00 0.36 2004 0.04 -0.04 T
MONTH TO DATE 1.55 0.74 0.81 0.99
SINCE SEP 1 1.55 0.74 0.81 0.99
SINCE JAN 1 4.52 7.10 -2.58 7.24
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 7 12 -5 2
MONTH TO DATE 81 192 -111 95
SINCE SEP 1 81 192 -111 95
SINCE JUL 1 83 228 -145 98
COOLING
TODAY 0 0 0 0
MONTH TO DATE 44 28 16 37
SINCE SEP 1 44 28 16 37
SINCE JAN 1 757 496 261 611
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 29
AVERAGE 61
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 2023
MINIMUM TEMPERATURE (F) 39 30 2021
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 7:09 AM MDT SUNSET 6:58 PM MDT
SEPTEMBER 30 2026.....SUNRISE 7:10 AM MDT SUNSET 6:56 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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