488
CDUS46 KSEW 290937
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
137 AM PST FRI DEC 29 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 56R 1157 PM 56 1980 47 9 46
MINIMUM 45 411 AM 12 1990 37 8 41
AVERAGE 51 42 9 44
PRECIPITATION (IN)
YESTERDAY 0.06 1.53 1945 0.18 -0.12 0.03
MONTH TO DATE 8.38 5.18 3.20 6.83
SINCE OCT 1 17.05 15.40 1.65 14.17
SINCE JAN 1 34.87 38.80 -3.93 39.55
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1971 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 21
MONTH TO DATE 553 640 -87 748
SINCE DEC 1 553 640 -87 748
SINCE JUL 1 1556 1701 -145 1698
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 9 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 200 AM
LOWEST 49 1000 PM
AVERAGE 70
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 54 1975
1976
2017
MINIMUM TEMPERATURE (F) 37 8 1968
SUNRISE AND SUNSET
DECEMBER 29 2023......SUNRISE 757 AM PST SUNSET 426 PM PST
DECEMBER 30 2023......SUNRISE 757 AM PST SUNSET 427 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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