071
CDUS46 KSEW 270827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN APR 27 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 26 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 62 553 PM 82 1947 62 0 61
2018
MINIMUM 46 1159 PM 32 1948 45 1 49
AVERAGE 54 53 1 55
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 1959 0.09 -0.09 0.08
MONTH TO DATE 2.36 2.85 -0.49 0.51
SINCE OCT 1 26.32 32.50 -6.18 30.38
SINCE JAN 1 12.92 16.56 -3.64 13.23
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 11 12 -1 10
MONTH TO DATE 328 367 -39 354
SINCE MAR 1 874 924 -50 903
SINCE JUL 1 4031 3971 60 3814
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 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 53 600 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 81 1987
MINIMUM TEMPERATURE (F) 45 31 1948
SUNRISE AND SUNSET
APRIL 27 2025.........SUNRISE 558 AM PDT SUNSET 816 PM PDT
APRIL 28 2025.........SUNRISE 557 AM PDT SUNSET 817 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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