303
CDUS46 KSEW 070927
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST SUN DEC 07 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 52 126 PM 57 1965 48 4 49
MINIMUM 48 1159 PM 19 1956 38 10 37
AVERAGE 50 43 7 43
PRECIPITATION (IN)
YESTERDAY T 1.39 1970 0.19 -0.19 T
MONTH TO DATE 0.55 1.14 -0.59 T
SINCE OCT 1 9.96 11.36 -1.40 7.90
SINCE JAN 1 26.23 34.76 -8.53 26.68
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1980 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 0
DEGREE DAYS
HEATING
YESTERDAY 15 22 -7 22
MONTH TO DATE 115 132 -17 160
SINCE DEC 1 115 132 -17 160
SINCE JUL 1 1029 1193 -164 1201
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 16.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 77 1100 AM
AVERAGE 85
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 58 2014
MINIMUM TEMPERATURE (F) 37 18 1972
SUNRISE AND SUNSET
DECEMBER 7 2025......SUNRISE 743 AM PST SUNSET 418 PM PST
DECEMBER 8 2025......SUNRISE 744 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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