829
CDUS46 KSEW 300826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED APR 30 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 29 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 59 309 PM 80 1976 63 -4 54
MINIMUM 47 1159 PM 31 1952 45 2 39
AVERAGE 53 54 -1 47
PRECIPITATION (IN)
YESTERDAY 0.12 1.06 1959 0.08 0.04 0.23
MONTH TO DATE 2.55 3.10 -0.55 0.87
SINCE OCT 1 26.51 32.75 -6.24 30.74
SINCE JAN 1 13.11 16.81 -3.70 13.59
SNOWFALL (IN)
YESTERDAY 0.0 T 1954 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 11 1 18
MONTH TO DATE 368 401 -33 404
SINCE MAR 1 914 958 -44 953
SINCE JUL 1 4071 4005 66 3864
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 5 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 55 400 PM
AVERAGE 76
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 85 1976
MINIMUM TEMPERATURE (F) 46 32 1954
SUNRISE AND SUNSET
APRIL 30 2025.........SUNRISE 553 AM PDT SUNSET 820 PM PDT
MAY 1 2025...........SUNRISE 552 AM PDT SUNSET 822 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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