581
CDUS45 KRIW 180731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT WED JUN 18 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 4:52 PM 77 2022 62 4 50
MINIMUM 37 4:01 AM 25 2004 33 4 30
AVERAGE 52 47 5 40
PRECIPITATION (IN)
YESTERDAY 0.04 0.79 2018 0.08 -0.04 0.02
MONTH TO DATE 0.14 1.57 -1.43 0.70
SINCE JUN 1 0.14 1.57 -1.43 0.70
SINCE JAN 1 9.37 11.60 -2.23 12.90
DEGREE DAYS
HEATING
YESTERDAY 13 18 -5 25
MONTH TO DATE 247 339 -92 257
SINCE JUN 1 247 339 -92 257
SINCE JUL 1 9079 11812 -2733 10659
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 W (280)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 3:00 AM
LOWEST 27 5:00 PM
AVERAGE 53
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 77 2021
MINIMUM TEMPERATURE (F) 33 25 2010
SUNRISE AND SUNSET
JUNE 18 2025..........SUNRISE 5:36 AM MDT SUNSET 9:10 PM MDT
JUNE 19 2025..........SUNRISE 5:36 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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