319
CDUS45 KRIW 300730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 30 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 29 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 73 4:40 PM 96 2012 82 -9 77
MINIMUM 60 11:59 PM 43 2021 50 10 53
AVERAGE 67 66 1 65
PRECIPITATION (IN)
YESTERDAY T 0.01 0.01 -0.01 0.00
MONTH TO DATE 0.68 0.39 0.29 0.50
SINCE JUN 1 1.54 1.87 -0.33 1.71
SINCE JAN 1 2.97 6.33 -3.36 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 20 -18 3
SINCE JUN 1 72 145 -73 81
SINCE JUL 1 2 30 -28 3
COOLING
YESTERDAY 2 3 -1 0
MONTH TO DATE 247 164 83 182
SINCE JUN 1 687 455 232 567
SINCE JAN 1 710 463 247 573
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 45 6:00 PM
AVERAGE 71
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 1999
2008
2013
MINIMUM TEMPERATURE (F) 50 42 2020
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:36 AM MDT SUNSET 7:52 PM MDT
AUGUST 31 2026........SUNRISE 6:37 AM MDT SUNSET 7:50 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page