392
CDUS45 KRIW 190726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI JUN 19 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 18 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 67 4:50 PM 77 2021 62 5 70
MINIMUM 28 5:14 AM 25 2010 33 -5 36
AVERAGE 48 48 0 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 2023 0.07 -0.07 0.01
MONTH TO DATE 0.78 1.64 -0.86 0.15
SINCE JUN 1 0.78 1.64 -0.86 0.15
SINCE JAN 1 9.02 11.67 -2.65 9.38
DEGREE DAYS
HEATING
YESTERDAY 17 17 0 12
MONTH TO DATE 327 356 -29 259
SINCE JUN 1 327 356 -29 259
SINCE JUL 1 10077 11829 -1752 9091
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 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 3.0
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 88 5:00 AM
LOWEST 16 3:00 PM
AVERAGE 52
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 78 2025
MINIMUM TEMPERATURE (F) 34 23 2024
SUNRISE AND SUNSET
JUNE 19 2026..........SUNRISE 5:36 AM MDT SUNSET 9:10 PM MDT
JUNE 20 2026..........SUNRISE 5:37 AM MDT SUNSET 9:10 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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