450
CDUS45 KRIW 120045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE AUG 11 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 11 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 95 4:09 PM 98 2018 87 8 85
MINIMUM 63 3:16 AM 47 2004 55 8 51
AVERAGE 79 71 8 68
PRECIPITATION (IN)
TODAY 0.00 0.30 1999 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.16 -0.16 T
SINCE JUN 1 0.86 1.64 -0.78 1.21
SINCE JAN 1 2.29 6.10 -3.81 5.73
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 2
SINCE JUN 1 72 125 -53 80
SINCE JUL 1 2 10 -8 2
COOLING
TODAY 14 6 8 3
MONTH TO DATE 121 81 40 71
SINCE JUN 1 561 372 189 456
SINCE JAN 1 584 380 204 462
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 9.1
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 43
LOWEST 8
AVERAGE 26
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 97 1996
2007
2018
MINIMUM TEMPERATURE (F) 55 47 2016
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 6:15 AM MDT SUNSET 8:22 PM MDT
AUGUST 12 2026........SUNRISE 6:17 AM MDT SUNSET 8:20 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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