539
CDUS45 KRIW 290045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI AUG 28 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 28 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 84 4:21 PM 94 2012 82 2 77
MINIMUM 63 5:08 AM 43 2004 51 12 53
2019
AVERAGE 74 66 8 65
PRECIPITATION (IN)
TODAY T 0.09 2010 0.02 -0.02 0.09
2025
MONTH TO DATE 0.60 0.38 0.22 0.50
SINCE JUN 1 1.46 1.86 -0.40 1.71
SINCE JAN 1 2.89 6.32 -3.43 6.23
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 2 -2 0
MONTH TO DATE 2 18 -16 3
SINCE JUN 1 72 143 -71 81
SINCE JUL 1 2 28 -26 3
COOLING
TODAY 9 3 6 0
MONTH TO DATE 246 161 85 182
SINCE JUN 1 686 452 234 567
SINCE JAN 1 709 460 249 573
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58
LOWEST 27
AVERAGE 43
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2012
MINIMUM TEMPERATURE (F) 50 43 2021
SUNRISE AND SUNSET
AUGUST 28 2026........SUNRISE 6:34 AM MDT SUNSET 7:55 PM MDT
AUGUST 29 2026........SUNRISE 6:35 AM MDT SUNSET 7:53 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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