977
CDUS45 KRIW 220151
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
751 PM MDT TUE JUL 21 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 21 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 90 4:01 PM 98 2007 89 1 96
MINIMUM 68 5:41 AM 49 2009 57 11 54
AVERAGE 79 73 6 75
PRECIPITATION (IN)
TODAY 0.00 0.06 2002 0.02 -0.02 0.00
MONTH TO DATE 0.12 0.37 -0.25 0.02
SINCE JUN 1 0.37 1.31 -0.94 0.92
SINCE JAN 1 1.80 5.77 -3.97 5.44
SNOWFALL (IN)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 6 -6 0
SINCE JUN 1 70 121 -51 78
SINCE JUL 1 0 6 -6 0
COOLING
TODAY 14 8 6 10
MONTH TO DATE 255 141 114 182
SINCE JUN 1 311 208 103 298
SINCE JAN 1 334 216 118 304
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 34
LOWEST 24
AVERAGE 29
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 100 2007
MINIMUM TEMPERATURE (F) 57 52 2010
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:54 AM MDT SUNSET 8:46 PM MDT
JULY 22 2026..........SUNRISE 5:55 AM MDT SUNSET 8:45 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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