716
CDUS46 KSEW 240118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT WED APR 23 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 23 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 345 PM 72 1977 61 5 70
MINIMUM 43 557 AM 31 1954 44 -1 44
AVERAGE 55 53 2 57
PRECIPITATION (IN)
TODAY 0.00 1.71 1996 0.09 -0.09 0.00
MONTH TO DATE 2.36 2.57 -0.21 0.43
SINCE OCT 1 26.32 32.22 -5.90 30.30
SINCE JAN 1 12.92 16.28 -3.36 13.15
SNOWFALL (IN)
TODAY 0.0 MM MM 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
TODAY 10 12 -2 8
MONTH TO DATE 304 331 -27 329
SINCE MAR 1 850 888 -38 878
SINCE JUL 1 4007 3935 72 3789
COOLING
TODAY 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 N (350)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 600 AM
LOWEST 26 400 PM
AVERAGE 54
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 77 2018
MINIMUM TEMPERATURE (F) 45 30 1950
SUNRISE AND SUNSET
APRIL 23 2025.........SUNRISE 605 AM PDT SUNSET 810 PM PDT
APRIL 24 2025.........SUNRISE 604 AM PDT SUNSET 812 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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