740
CDUS46 KSEW 280940
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
140 AM PST THU DEC 28 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 55 117 PM 58 1994 46 9 53
MINIMUM 47 1150 PM 17 2021 37 10 44
AVERAGE 51 42 9 49
PRECIPITATION (IN)
YESTERDAY 0.10 1.53 1998 0.19 -0.09 0.27
MONTH TO DATE 8.32 5.00 3.32 6.80
SINCE OCT 1 16.99 15.22 1.77 14.14
SINCE JAN 1 34.81 38.62 -3.81 39.52
SNOWFALL (IN)
YESTERDAY 0.0 1.2 1965 0.0
MONTH TO DATE 0.0 4.7
SINCE OCT 1 0.0 5.8
SINCE JUL 1 0.0 5.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 23 -9 16
MONTH TO DATE 539 617 -78 727
SINCE DEC 1 539 617 -78 727
SINCE JUL 1 1542 1678 -136 1677
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 13 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 600 PM
LOWEST 43 900 AM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 56 1980
MINIMUM TEMPERATURE (F) 37 12 1990
SUNRISE AND SUNSET
DECEMBER 28 2023......SUNRISE 756 AM PST SUNSET 425 PM PST
DECEMBER 29 2023......SUNRISE 757 AM PST SUNSET 426 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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