640
CDUS46 KSEW 140218
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PST FRI DEC 13 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 45 231 PM 59 1952 47 -2 51
MINIMUM 41 705 AM 19 1972 37 4 34
AVERAGE 43 42 1 43
PRECIPITATION (IN)
TODAY 0.23 1.63 2001 0.18 0.05 0.00
MONTH TO DATE 0.85 2.43 -1.58 6.56
SINCE OCT 1 8.75 12.65 -3.90 15.23
SINCE JAN 1 27.53 36.05 -8.52 33.05
SNOWFALL (IN)
TODAY 0.0 0.8 2008 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
TODAY 22 23 -1 22
MONTH TO DATE 314 292 22 253
SINCE DEC 1 314 292 22 253
SINCE JUL 1 1355 1353 2 1256
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 315 263 52 378
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 73 800 AM
AVERAGE 85
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 59 2002
MINIMUM TEMPERATURE (F) 37 18 1945
SUNRISE AND SUNSET
DECEMBER 13 2024......SUNRISE 749 AM PST SUNSET 418 PM PST
DECEMBER 14 2024......SUNRISE 750 AM PST SUNSET 419 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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