848
CDUS45 KRIW 160727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN AUG 16 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 15 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 81 2:48 PM 95 2003 86 -5 90
2015
MINIMUM 56 11:43 PM 45 2009 54 2 58
AVERAGE 69 70 -1 74
PRECIPITATION (IN)
YESTERDAY 0.01 0.69 0.01 0.00 T
MONTH TO DATE 0.17 0.21 -0.04 T
SINCE JUN 1 1.03 1.69 -0.66 1.21
SINCE JAN 1 2.46 6.15 -3.69 5.73
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 1 -1 0
MONTH TO DATE 2 2 0 2
SINCE JUN 1 72 127 -55 80
SINCE JUL 1 2 12 -10 2
COOLING
YESTERDAY 4 6 -2 9
MONTH TO DATE 136 105 31 108
SINCE JUN 1 576 396 180 493
SINCE JAN 1 599 404 195 499
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 30 3:00 PM
AVERAGE 59
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2002
MINIMUM TEMPERATURE (F) 54 43 2009
SUNRISE AND SUNSET
AUGUST 16 2026........SUNRISE 6:21 AM MDT SUNSET 8:14 PM MDT
AUGUST 17 2026........SUNRISE 6:22 AM MDT SUNSET 8:13 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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