674
CDUS46 KSEW 110941
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
141 AM PST MON DEC 11 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 53 334 PM 66 2014 47 6 46
MINIMUM 44 314 AM 16 2009 37 7 40
AVERAGE 49 42 7 43
PRECIPITATION (IN)
YESTERDAY 0.14 1.55 1977 0.19 -0.05 0.30
MONTH TO DATE 6.56 1.89 4.67 2.01
SINCE OCT 1 15.23 12.11 3.12 9.35
SINCE JAN 1 33.05 35.51 -2.46 34.73
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1992 0.0
MONTH TO DATE 0.0 3.4
SINCE OCT 1 0.0 4.5
SINCE JUL 1 0.0 4.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 23 -7 22
MONTH TO DATE 185 223 -38 269
SINCE DEC 1 185 223 -38 269
SINCE JUL 1 1188 1284 -96 1219
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 378 263 115 394
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 83 200 PM
AVERAGE 90
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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 2023......SUNRISE 747 AM PST SUNSET 418 PM PST
DECEMBER 12 2023......SUNRISE 747 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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