448
CDUS46 KSEW 040828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT FRI APR 04 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 56 420 PM 71 2004 57 -1 53
MINIMUM 40 509 AM 32 1948 42 -2 42
AVERAGE 48 49 -1 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.46 1991 0.12 -0.12 T
MONTH TO DATE 0.12 0.36 -0.24 0.02
SINCE OCT 1 24.08 30.01 -5.93 29.89
SINCE JAN 1 10.68 14.07 -3.39 12.74
SNOWFALL (IN)
YESTERDAY 0.0 T 1989 0.0
2009
2023
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 17 16 1 17
MONTH TO DATE 53 48 5 39
SINCE MAR 1 599 605 -6 588
SINCE JUL 1 3756 3652 104 3499
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 1 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 600 AM
LOWEST 43 500 PM
AVERAGE 66
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 75 1966
MINIMUM TEMPERATURE (F) 42 31 1948
SUNRISE AND SUNSET
APRIL 4 2025.........SUNRISE 641 AM PDT SUNSET 744 PM PDT
APRIL 5 2025.........SUNRISE 639 AM PDT SUNSET 745 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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