175
CDUS45 KRIW 270729
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT JUN 27 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 26 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 72 12:42 PM 80 2015 66 6 70
MINIMUM 39 5:16 AM 27 1999 35 4 30
2007
AVERAGE 56 50 6 50
PRECIPITATION (IN)
YESTERDAY 0.07 0.51 2024 0.05 0.02 0.00
MONTH TO DATE 1.45 2.15 -0.70 0.65
SINCE JUN 1 1.45 2.15 -0.70 0.65
SINCE JAN 1 9.69 12.18 -2.49 9.88
DEGREE DAYS
HEATING
YESTERDAY 9 15 -6 15
MONTH TO DATE 421 483 -62 399
SINCE JUN 1 421 483 -62 399
SINCE JUL 1 10171 11956 -1785 9231
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 23 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.0
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 100 12:00 AM
LOWEST 32 1:00 PM
AVERAGE 66
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 81 2015
MINIMUM TEMPERATURE (F) 35 27 2012
SUNRISE AND SUNSET
JUNE 27 2026..........SUNRISE 5:39 AM MDT SUNSET 9:11 PM MDT
JUNE 28 2026..........SUNRISE 5:39 AM MDT SUNSET 9:11 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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