518
CDUS45 KRIW 220733
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED JUL 22 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 21 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 5:27 PM 84 2007 74 3 77
MINIMUM MM MM 34 2000 40 MM 42
2010
2011
AVERAGE MM 57 MM 60
PRECIPITATION (IN)
YESTERDAY 0.34R 0.14 2008 0.05 0.29 0.00
MONTH TO DATE 0.48 1.03 -0.55 0.49
SINCE JUN 1 2.59 3.41 -0.82 1.14
SINCE JAN 1 10.83 13.44 -2.61 10.37
DEGREE DAYS
HEATING
YESTERDAY MM 8 MM 5
MONTH TO DATE 93 214 -121 158
SINCE JUN 1 607 752 -145 600
SINCE JUL 1 93 214 -121 158
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 1.2
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 96 10:00 PM
LOWEST 41 11:00 AM
AVERAGE 69
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 83 2007
MINIMUM TEMPERATURE (F) 40 36 2000
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 5:58 AM MDT SUNSET 8:58 PM MDT
JULY 23 2026..........SUNRISE 5:59 AM MDT SUNSET 8:57 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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