031
CDUS46 KSEW 120219
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PST MON DEC 11 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 47 154 PM 58 2014 47 0 45
MINIMUM 44 459 PM 21 2009 37 7 39
AVERAGE 46 42 4 42
PRECIPITATION (IN)
TODAY T 1.42 2010 0.18 -0.18 0.04
MONTH TO DATE 6.56 2.07 4.49 2.05
SINCE OCT 1 15.23 12.29 2.94 9.39
SINCE JAN 1 33.05 35.69 -2.64 34.77
SNOWFALL (IN)
TODAY MM 4.2 1972 0.0
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 19 23 -4 23
MONTH TO DATE 204 246 -42 292
SINCE DEC 1 204 246 -42 292
SINCE JUL 1 1207 1307 -100 1242
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 5 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 82 200 PM
AVERAGE 88
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 60 1960
1995
MINIMUM TEMPERATURE (F) 37 22 1972
SUNRISE AND SUNSET
DECEMBER 11 2023......SUNRISE 747 AM PST SUNSET 418 PM PST
DECEMBER 12 2023......SUNRISE 747 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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