244
CDUS45 KRIW 120728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN JUL 12 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 11 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 82 5:16 PM 83 2024 72 10 72
MINIMUM 40 5:23 AM 33 2008 38 2 41
AVERAGE 61 55 6 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 2011 0.05 -0.05 0.00
MONTH TO DATE 0.14 0.53 -0.39 0.13
SINCE JUN 1 2.25 2.91 -0.66 0.78
SINCE JAN 1 10.49 12.94 -2.45 10.01
DEGREE DAYS
HEATING
YESTERDAY 4 10 -6 8
MONTH TO DATE 92 125 -33 95
SINCE JUN 1 606 663 -57 537
SINCE JUL 1 92 125 -33 95
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 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 2.0
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 86 5:00 AM
LOWEST 13 3:00 PM
AVERAGE 50
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 85 2002
MINIMUM TEMPERATURE (F) 39 27 2008
SUNRISE AND SUNSET
JULY 12 2026..........SUNRISE 5:48 AM MDT SUNSET 9:06 PM MDT
JULY 13 2026..........SUNRISE 5:49 AM MDT SUNSET 9:05 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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