610
CDUS45 KRIW 290728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT AUG 29 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 28 2026
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)
YESTERDAY
MAXIMUM 84 4:21 PM 94 2012 82 2 77
MINIMUM 61 11:51 PM 43 2004 51 10 53
2019
AVERAGE 73 66 7 65
PRECIPITATION (IN)
YESTERDAY 0.08 0.09 0.02 0.06 0.09
MONTH TO DATE 0.68 0.38 0.30 0.50
SINCE JUN 1 1.54 1.86 -0.32 1.71
SINCE JAN 1 2.97 6.32 -3.35 6.23
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 8 3 5 0
MONTH TO DATE 245 161 84 182
SINCE JUN 1 685 452 233 567
SINCE JAN 1 708 460 248 573
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WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 27 4:00 PM
AVERAGE 60
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2012
MINIMUM TEMPERATURE (F) 50 43 2021
SUNRISE AND SUNSET
AUGUST 29 2026........SUNRISE 6:35 AM MDT SUNSET 7:53 PM MDT
AUGUST 30 2026........SUNRISE 6:36 AM MDT SUNSET 7:52 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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