159
CDUS46 KSEW 100220
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PST SAT DEC 09 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2023...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 40 1132 AM 61 2014 47 -7 43
MINIMUM 35 343 AM 18 2009 37 -2 36
AVERAGE 38 42 -4 40
PRECIPITATION (IN)
TODAY 0.49 1.78 1956 0.18 0.31 0.71
MONTH TO DATE 6.27 1.70 4.57 1.71
SINCE OCT 1 14.94 11.92 3.02 9.05
SINCE JAN 1 32.76 35.32 -2.56 34.43
SNOWFALL (IN)
TODAY MM T 1978 0.0
2016
MONTH TO DATE 0.0 3.4
SINCE OCT 1 0.0 4.5
SINCE JUL 1 0.0 4.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 27 23 4 25
MONTH TO DATE 171 200 -29 247
SINCE DEC 1 171 200 -29 247
SINCE JUL 1 1174 1261 -87 1197
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 PM
LOWEST 70 600 AM
AVERAGE 83
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 66 2014
MINIMUM TEMPERATURE (F) 37 16 2009
SUNRISE AND SUNSET
DECEMBER 9 2023......SUNRISE 745 AM PST SUNSET 418 PM PST
DECEMBER 10 2023......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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