506
CDUS46 KSEW 150928
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PST SUN DEC 15 2024
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 50 1111 AM 59 2002 47 3 48
MINIMUM 39 1104 PM 18 1945 37 2 43
AVERAGE 45 42 3 46
PRECIPITATION (IN)
YESTERDAY 0.12 1.67 1979 0.18 -0.06 0.14
MONTH TO DATE 1.26 2.61 -1.35 6.70
SINCE OCT 1 9.16 12.83 -3.67 15.37
SINCE JAN 1 27.94 36.23 -8.29 33.19
SNOWFALL (IN)
YESTERDAY 0.0 0.7 2008 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 23 -3 19
MONTH TO DATE 333 315 18 272
SINCE DEC 1 333 315 18 272
SINCE JUL 1 1374 1376 -2 1275
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 315 263 52 378
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WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 16.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1000 PM
LOWEST 58 600 AM
AVERAGE 74
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 63 1980
MINIMUM TEMPERATURE (F) 37 19 2008
SUNRISE AND SUNSET
DECEMBER 15 2024......SUNRISE 751 AM PST SUNSET 419 PM PST
DECEMBER 16 2024......SUNRISE 751 AM PST SUNSET 419 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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