451
CDUS46 KSEW 120831
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PDT SAT APR 12 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 11 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 55 314 PM 80 2004 58 -3 55
MINIMUM 42 453 AM 34 2021 43 -1 42
AVERAGE 49 50 -1 49
PRECIPITATION (IN)
YESTERDAY T 1.04 1966 0.12 -0.12 T
MONTH TO DATE 1.92 1.30 0.62 0.40
SINCE OCT 1 25.88 30.95 -5.07 30.27
SINCE JAN 1 12.48 15.01 -2.53 13.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1971 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 15 1 16
MONTH TO DATE 156 170 -14 179
SINCE MAR 1 702 727 -25 728
SINCE JUL 1 3859 3774 85 3639
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 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 500 AM
LOWEST 52 200 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 79 2008
MINIMUM TEMPERATURE (F) 43 33 1968
2022
SUNRISE AND SUNSET
APRIL 12 2025.........SUNRISE 626 AM PDT SUNSET 755 PM PDT
APRIL 13 2025.........SUNRISE 624 AM PDT SUNSET 756 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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