289
CDUS45 KRIW 170730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST TUE DEC 17 2024
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 16 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 23 11:45 PM 37 2018 23 0 30
MINIMUM 13 12:16 AM -18 2016 2 11 5
AVERAGE 18 12 6 18
PRECIPITATION (IN)
YESTERDAY 0.28R 0.24 2017 0.08 0.20 0.00
MONTH TO DATE 0.51 1.17 -0.66 1.03
SINCE DEC 1 0.51 1.17 -0.66 1.03
SINCE JAN 1 18.89 21.91 -3.02 27.13
DEGREE DAYS
HEATING
YESTERDAY 47 52 -5 47
MONTH TO DATE 740 817 -77 740
SINCE DEC 1 740 817 -77 740
SINCE JUL 1 3847 4324 -477 3814
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 1.7
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 92 7:00 PM
LOWEST 76 7:00 AM
AVERAGE 84
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 23 38 2018
MINIMUM TEMPERATURE (F) 2 -28 2016
SUNRISE AND SUNSET
DECEMBER 17 2024......SUNRISE 7:53 AM MST SUNSET 4:43 PM MST
DECEMBER 18 2024......SUNRISE 7:54 AM MST SUNSET 4:43 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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