156
CDUS46 KSEW 110840
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
140 AM PDT FRI APR 11 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 10 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 59 1219 PM 74 1988 58 1 58
2004
MINIMUM 46 1126 PM 30 1953 43 3 39
AVERAGE 53 50 3 49
PRECIPITATION (IN)
YESTERDAY 0.33 0.78 2001 0.11 0.22 0.00
MONTH TO DATE 1.92 1.18 0.74 0.40
SINCE OCT 1 25.88 30.83 -4.95 30.27
SINCE JAN 1 12.48 14.89 -2.41 13.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1991 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 12 15 -3 16
MONTH TO DATE 140 155 -15 163
SINCE MAR 1 686 712 -26 712
SINCE JUL 1 3843 3759 84 3623
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 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 PM
LOWEST 62 1100 AM
AVERAGE 78
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 80 2004
MINIMUM TEMPERATURE (F) 43 34 2021
SUNRISE AND SUNSET
APRIL 11 2025.........SUNRISE 627 AM PDT SUNSET 754 PM PDT
APRIL 12 2025.........SUNRISE 626 AM PDT SUNSET 755 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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