737
CDUS45 KRIW 260731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE AUG 26 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 25 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 94 2015 83 MM 82
MINIMUM MM MM 46 2014 52 MM 51
AVERAGE MM 67 MM 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 0.02 -0.02 T
MONTH TO DATE 0.01 0.34 -0.33 0.22
SINCE JUN 1 1.22 1.82 -0.60 0.69
SINCE JAN 1 5.74 6.28 -0.54 5.33
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 MM 1 MM 0
MONTH TO DATE 2 12 -10 1
SINCE JUN 1 80 137 -57 41
SINCE JUL 1 2 22 -20 8
COOLING
YESTERDAY MM 4 MM 2
MONTH TO DATE 178 151 27 178
SINCE JUN 1 563 442 121 533
SINCE JAN 1 569 450 119 533
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 11:00 PM
LOWEST 26 12:00 PM
AVERAGE 35
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 93 2010
MINIMUM TEMPERATURE (F) 51 44 2004
2016
SUNRISE AND SUNSET
AUGUST 26 2025........SUNRISE 6:32 AM MDT SUNSET 7:58 PM MDT
AUGUST 27 2025........SUNRISE 6:33 AM MDT SUNSET 7:56 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