845
CDUS46 KSEW 170836
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
136 AM PDT MON MAR 17 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 16 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 50 309 PM 74 2024 54 -4 74
MINIMUM 38 1135 PM 29 1952 40 -2 44
AVERAGE 44 47 -3 59
PRECIPITATION (IN)
YESTERDAY 0.11 1.09 2014 0.14 -0.03 0.00
MONTH TO DATE 2.36 2.23 0.13 1.14
SINCE OCT 1 21.16 27.71 -6.55 28.65
SINCE JAN 1 7.76 11.77 -4.01 11.50
SNOWFALL (IN)
YESTERDAY 0.0 0.4 1971 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 21 18 3 6
MONTH TO DATE 315 303 12 339
SINCE MAR 1 315 303 12 339
SINCE JUL 1 3472 3350 122 3250
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 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 56 200 PM
AVERAGE 77
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 71 1947
MINIMUM TEMPERATURE (F) 40 27 1951
1955
SUNRISE AND SUNSET
MARCH 17 2025.........SUNRISE 717 AM PDT SUNSET 718 PM PDT
MARCH 18 2025.........SUNRISE 715 AM PDT SUNSET 720 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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