503
CDUS46 KSEW 190119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT TUE MAR 18 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 50 255 PM 76 2019 55 -5 66
MINIMUM 34 651 AM 29 1954 40 -6 44
AVERAGE 42 47 -5 55
PRECIPITATION (IN)
TODAY 0.00 1.86 1997 0.14 -0.14 0.00
MONTH TO DATE 2.51 2.50 0.01 1.14
SINCE OCT 1 21.31 27.98 -6.67 28.65
SINCE JAN 1 7.91 12.04 -4.13 11.50
SNOWFALL (IN)
TODAY MM 0.8 1973 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 MM
DEGREE DAYS
HEATING
TODAY 23 18 5 10
MONTH TO DATE 360 339 21 355
SINCE MAR 1 360 339 21 355
SINCE JUL 1 3517 3386 131 3266
COOLING
TODAY 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 6 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 200 AM
LOWEST 50 300 PM
AVERAGE 71
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 79 2019
MINIMUM TEMPERATURE (F) 40 27 1965
SUNRISE AND SUNSET
MARCH 18 2025.........SUNRISE 715 AM PDT SUNSET 720 PM PDT
MARCH 19 2025.........SUNRISE 713 AM PDT SUNSET 721 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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