523
CDUS45 KRIW 250727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU JUN 25 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 24 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 73 4:02 PM 82 2012 65 8 61
MINIMUM 39 2:03 AM 26 2025 35 4 26
AVERAGE 56 50 6 44
PRECIPITATION (IN)
YESTERDAY 0.04 0.25 1999 0.06 -0.02 0.02
MONTH TO DATE 1.27 2.04 -0.77 0.65
SINCE JUN 1 1.27 2.04 -0.77 0.65
SINCE JAN 1 9.51 12.07 -2.56 9.88
DEGREE DAYS
HEATING
YESTERDAY 9 15 -6 21
MONTH TO DATE 399 453 -54 368
SINCE JUN 1 399 453 -54 368
SINCE JUL 1 10149 11926 -1777 9200
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 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
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 86 2:00 AM
LOWEST 21 3:00 PM
AVERAGE 54
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 79 2012
MINIMUM TEMPERATURE (F) 35 27 2003
SUNRISE AND SUNSET
JUNE 25 2026..........SUNRISE 5:38 AM MDT SUNSET 9:11 PM MDT
JUNE 26 2026..........SUNRISE 5:38 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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