997
CDUS46 KSEW 280826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON APR 28 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 27 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 518 PM 81 1987 62 -4 52
MINIMUM 44 405 AM 31 1948 45 -1 47
AVERAGE 51 54 -3 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 1952 0.09 -0.09 0.09
MONTH TO DATE 2.36 2.94 -0.58 0.60
SINCE OCT 1 26.32 32.59 -6.27 30.47
SINCE JAN 1 12.92 16.65 -3.73 13.32
SNOWFALL (IN)
YESTERDAY 0.0 T 1970 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 14 12 2 15
MONTH TO DATE 342 379 -37 369
SINCE MAR 1 888 936 -48 918
SINCE JUL 1 4045 3983 62 3829
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 (200)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 200 AM
LOWEST 57 500 PM
AVERAGE 70
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 80 2023
MINIMUM TEMPERATURE (F) 45 31 1955
SUNRISE AND SUNSET
APRIL 28 2025.........SUNRISE 557 AM PDT SUNSET 817 PM PDT
APRIL 29 2025.........SUNRISE 555 AM PDT SUNSET 819 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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