293
CDUS46 KSEW 220826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT TUE APR 22 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 57 253 PM 76 1982 60 -3 58
MINIMUM 43 620 AM 29 1951 44 -1 42
AVERAGE 50 52 -2 50
PRECIPITATION (IN)
YESTERDAY T 0.87 2010 0.10 -0.10 0.03
MONTH TO DATE 2.36 2.38 -0.02 0.43
SINCE OCT 1 26.32 32.03 -5.71 30.30
SINCE JAN 1 12.92 16.09 -3.17 13.15
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 15 13 2 15
MONTH TO DATE 279 306 -27 308
SINCE MAR 1 825 863 -38 857
SINCE JUL 1 3982 3910 72 3768
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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 100 AM
LOWEST 37 300 PM
AVERAGE 60
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 78 1977
2005
MINIMUM TEMPERATURE (F) 44 35 1950
1964
1972
SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE 607 AM PDT SUNSET 809 PM PDT
APRIL 23 2025.........SUNRISE 605 AM PDT SUNSET 810 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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