645
CDUS46 KSEW 090828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT WED APR 09 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 8 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 56 117 PM 76 2016 58 -2 53
MINIMUM 45 1159 PM 29 1952 42 3 41
AVERAGE 51 50 1 47
PRECIPITATION (IN)
YESTERDAY 0.48 0.83 1993 0.11 0.37 0.20
MONTH TO DATE 1.59 0.95 0.64 0.36
SINCE OCT 1 25.55 30.60 -5.05 30.23
SINCE JAN 1 12.15 14.66 -2.51 13.08
SNOWFALL (IN)
YESTERDAY 0.0 T 1972 0.0
1991
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 14 15 -1 18
MONTH TO DATE 113 125 -12 133
SINCE MAR 1 659 682 -23 682
SINCE JUL 1 3816 3729 87 3593
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 9 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 68 400 PM
AVERAGE 81
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 73 1959
MINIMUM TEMPERATURE (F) 42 33 1945
SUNRISE AND SUNSET
APRIL 9 2025.........SUNRISE 631 AM PDT SUNSET 751 PM PDT
APRIL 10 2025.........SUNRISE 629 AM PDT SUNSET 752 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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