289
CDUS46 KSEW 300930
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PST MON DEC 30 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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 47 1253 AM 63 2023 47 0 63
MINIMUM 39 1050 PM 8 1968 37 2 53
AVERAGE 43 42 1 58
PRECIPITATION (IN)
YESTERDAY 0.11 1.92 1996 0.18 -0.07 T
MONTH TO DATE 5.49 5.36 0.13 8.38
SINCE OCT 1 13.39 15.58 -2.19 17.05
SINCE JAN 1 32.17 38.98 -6.81 34.87
SNOWFALL (IN)
YESTERDAY MM 2.1 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 22 23 -1 7
MONTH TO DATE 598 663 -65 560
SINCE DEC 1 598 663 -65 560
SINCE JUL 1 1639 1724 -85 1563
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 5 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 700 AM
LOWEST 80 100 AM
AVERAGE 89
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 56 1945
1958
2023
MINIMUM TEMPERATURE (F) 37 6 1968
SUNRISE AND SUNSET
DECEMBER 30 2024......SUNRISE 757 AM PST SUNSET 428 PM PST
DECEMBER 31 2024......SUNRISE 757 AM PST SUNSET 429 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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