925
CDUS46 KSEW 110928
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PST WED DEC 11 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 44 220 PM 66 2014 47 -3 53
MINIMUM 32 700 AM 16 2009 37 -5 44
AVERAGE 38 42 -4 49
PRECIPITATION (IN)
YESTERDAY 0.00 1.55 1977 0.19 -0.19 0.14
MONTH TO DATE 0.59 1.89 -1.30 6.56
SINCE OCT 1 8.49 12.11 -3.62 15.23
SINCE JAN 1 27.27 35.51 -8.24 33.05
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1992 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 MM
DEGREE DAYS
HEATING
YESTERDAY 27 23 4 16
MONTH TO DATE 247 223 24 185
SINCE DEC 1 247 223 24 185
SINCE JUL 1 1288 1284 4 1188
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 5 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 73 300 PM
AVERAGE 87
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 58 2014
MINIMUM TEMPERATURE (F) 37 21 2009
SUNRISE AND SUNSET
DECEMBER 11 2024......SUNRISE 747 AM PST SUNSET 418 PM PST
DECEMBER 12 2024......SUNRISE 748 AM PST SUNSET 418 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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