635
CDUS46 KSEW 290933
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
133 AM PST SUN DEC 29 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2024...
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)
YESTERDAY
MAXIMUM 50 1249 PM 56 1980 47 3 56
2023
MINIMUM 45 1027 PM 12 1990 37 8 45
AVERAGE 48 42 6 51
PRECIPITATION (IN)
YESTERDAY 0.18 1.53 1945 0.18 0.00 0.06
MONTH TO DATE 5.38 5.18 0.20 8.38
SINCE OCT 1 13.28 15.40 -2.12 17.05
SINCE JAN 1 32.06 38.80 -6.74 34.87
SNOWFALL (IN)
YESTERDAY MM 2.8 1971 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 MM
DEGREE DAYS
HEATING
YESTERDAY 17 23 -6 14
MONTH TO DATE 576 640 -64 553
SINCE DEC 1 576 640 -64 553
SINCE JUL 1 1617 1701 -84 1556
COOLING
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 15.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 PM
LOWEST 80 300 AM
AVERAGE 89
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 63 2023
MINIMUM TEMPERATURE (F) 37 8 1968
SUNRISE AND SUNSET
DECEMBER 29 2024......SUNRISE 757 AM PST SUNSET 427 PM PST
DECEMBER 30 2024......SUNRISE 757 AM PST SUNSET 428 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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