244
CDUS46 KSEW 080828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT TUE APR 08 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 7 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 58 1132 AM 78 1996 57 1 54
2016
MINIMUM 45 1005 PM 29 1952 42 3 42
AVERAGE 52 50 2 48
PRECIPITATION (IN)
YESTERDAY 0.52 1.54 2013 0.12 0.40 0.02
MONTH TO DATE 1.11 0.84 0.27 0.16
SINCE OCT 1 25.07 30.49 -5.42 30.03
SINCE JAN 1 11.67 14.55 -2.88 12.88
SNOWFALL (IN)
YESTERDAY MM T 1972 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 MM
DEGREE DAYS
HEATING
YESTERDAY 13 15 -2 17
MONTH TO DATE 99 110 -11 115
SINCE MAR 1 645 667 -22 664
SINCE JUL 1 3802 3714 88 3575
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 S (180)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 67 1100 AM
AVERAGE 82
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 76 2016
MINIMUM TEMPERATURE (F) 42 29 1952
SUNRISE AND SUNSET
APRIL 8 2025.........SUNRISE 633 AM PDT SUNSET 749 PM PDT
APRIL 9 2025.........SUNRISE 631 AM PDT SUNSET 751 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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