178
CDUS46 KSEW 200826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU MAR 20 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 19 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 55 500 PM 79 2019 55 0 64
MINIMUM 42 347 AM 27 1965 40 2 43
AVERAGE 49 48 1 54
PRECIPITATION (IN)
YESTERDAY T 1.27 1997 0.13 -0.13 0.00
MONTH TO DATE 2.51 2.63 -0.12 1.14
SINCE OCT 1 21.31 28.11 -6.80 28.65
SINCE JAN 1 7.91 12.17 -4.26 11.50
SNOWFALL (IN)
YESTERDAY 0.0 0.7 1966 0.0
MONTH TO DATE 0.0 0.3
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 18 -2 11
MONTH TO DATE 376 357 19 366
SINCE MAR 1 376 357 19 366
SINCE JUL 1 3533 3404 129 3277
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 12.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1100 PM
LOWEST 32 500 PM
AVERAGE 56
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 79 2019
MINIMUM TEMPERATURE (F) 40 26 1955
SUNRISE AND SUNSET
MARCH 20 2025.........SUNRISE 711 AM PDT SUNSET 723 PM PDT
MARCH 21 2025.........SUNRISE 709 AM PDT SUNSET 724 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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