360
CDUS46 KSEW 090927
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST FRI DEC 09 2022
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2022...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 43 607 AM 60 2015 48 -5 49
MINIMUM 37 1159 PM 13 1972 37 0 38
AVERAGE 40 42 -2 44
PRECIPITATION (IN)
YESTERDAY 0.10 2.13 2015 0.19 -0.09 0.03
MONTH TO DATE 1.00 1.52 -0.52 0.78
SINCE OCT 1 8.34 11.74 -3.40 16.80
SINCE JAN 1 33.72 35.14 -1.42 40.03
SNOWFALL (IN)
YESTERDAY 0.0 2.2 1971 0.0
MONTH TO DATE 3.4 T
SINCE OCT 1 4.5 T
SINCE JUL 1 4.5 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 25 23 2 21
MONTH TO DATE 222 177 45 170
SINCE DEC 1 222 177 45 170
SINCE JUL 1 1172 1238 -66 1229
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 394 263 131 377
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 900 AM
LOWEST 70 100 AM
AVERAGE 82
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 61 2014
MINIMUM TEMPERATURE (F) 37 18 2009
SUNRISE AND SUNSET
DECEMBER 9 2022......SUNRISE 745 AM PST SUNSET 418 PM PST
DECEMBER 10 2022......SUNRISE 746 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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