106
CDUS46 KSEW 210932
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
132 AM PST THU DEC 21 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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 51 126 PM 59 2018 46 5 42
MINIMUM 38 718 AM 14 1990 37 1 29
2008
AVERAGE 45 42 3 36
PRECIPITATION (IN)
YESTERDAY 0.00 3.25 2019 0.18 -0.18 0.66
MONTH TO DATE 6.87 3.68 3.19 3.09
SINCE OCT 1 15.54 13.90 1.64 10.43
SINCE JAN 1 33.36 37.30 -3.94 35.81
SNOWFALL (IN)
YESTERDAY 0.0 3.0 2008 0.6
MONTH TO DATE 0.0 4.4
SINCE OCT 1 0.0 5.5
SINCE JUL 1 0.0 5.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 23 -3 29
MONTH TO DATE 392 453 -61 546
SINCE DEC 1 392 453 -61 546
SINCE JUL 1 1395 1514 -119 1496
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 2 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 PM
LOWEST 74 1200 AM
AVERAGE 87
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 59 2020
MINIMUM TEMPERATURE (F) 37 12 1990
SUNRISE AND SUNSET
DECEMBER 21 2023......SUNRISE 754 AM PST SUNSET 421 PM PST
DECEMBER 22 2023......SUNRISE 754 AM PST SUNSET 421 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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