600
CDUS45 KRIW 250730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE AUG 25 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 24 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 90 2:23 PM 95 2011 83 7 MM
2020
MINIMUM 61 6:05 AM 42 2010 52 9 MM
2014
AVERAGE 76 68 8 MM
PRECIPITATION (IN)
YESTERDAY 0.36R 0.13 0.01 0.35 0.00
MONTH TO DATE 0.53 0.32 0.21 0.01
SINCE JUN 1 1.39 1.80 -0.41 1.22
SINCE JAN 1 2.82 6.26 -3.44 5.74
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 MM
MONTH TO DATE 2 11 -9 2
SINCE JUN 1 72 136 -64 80
SINCE JUL 1 2 21 -19 2
COOLING
YESTERDAY 11 4 7 MM
MONTH TO DATE 214 147 67 178
SINCE JUN 1 654 438 216 563
SINCE JAN 1 677 446 231 569
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 3:00 PM
LOWEST 17 2:00 PM
AVERAGE 36
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 94 2015
MINIMUM TEMPERATURE (F) 52 46 2014
SUNRISE AND SUNSET
AUGUST 25 2026........SUNRISE 6:31 AM MDT SUNSET 8:00 PM MDT
AUGUST 26 2026........SUNRISE 6:32 AM MDT SUNSET 7:58 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