438
CDUS46 KSEW 170216
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PST MON DEC 16 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 49 318 PM 57 1974 47 2 51
MINIMUM 39 355 AM 10 1964 37 2 36
AVERAGE 44 42 2 44
PRECIPITATION (IN)
TODAY 0.22 1.32 1997 0.18 0.04 0.00
MONTH TO DATE 1.48 2.97 -1.49 6.70
SINCE OCT 1 9.38 13.19 -3.81 15.37
SINCE JAN 1 28.16 36.59 -8.43 33.19
SNOWFALL (IN)
TODAY 0.0 1.1 1992 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 21 23 -2 21
MONTH TO DATE 376 361 15 312
SINCE DEC 1 376 361 15 312
SINCE JUL 1 1417 1422 -5 1315
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 5 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 73 1200 AM
AVERAGE 83
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 57 1994
MINIMUM TEMPERATURE (F) 37 11 1964
SUNRISE AND SUNSET
DECEMBER 16 2024......SUNRISE 751 AM PST SUNSET 419 PM PST
DECEMBER 17 2024......SUNRISE 752 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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