127
CDUS45 KRIW 100728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI JUL 10 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 9 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 3:06 PM 83 2018 71 6 81
MINIMUM 41 5:08 AM 30 2004 38 3 39
AVERAGE 59 54 5 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.71 2001 0.05 -0.05 0.00
MONTH TO DATE 0.14 0.44 -0.30 0.13
SINCE JUN 1 2.25 2.82 -0.57 0.78
SINCE JAN 1 10.49 12.85 -2.36 10.01
DEGREE DAYS
HEATING
YESTERDAY 6 10 -4 5
MONTH TO DATE 82 105 -23 81
SINCE JUN 1 596 643 -47 523
SINCE JUL 1 82 105 -23 81
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.5
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 85 5:00 AM
LOWEST 17 3:00 PM
AVERAGE 51
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 82 2024
MINIMUM TEMPERATURE (F) 38 33 2019
SUNRISE AND SUNSET
JULY 10 2026..........SUNRISE 5:47 AM MDT SUNSET 9:07 PM MDT
JULY 11 2026..........SUNRISE 5:48 AM MDT SUNSET 9:06 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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