622
CDUS46 KSEW 200827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN APR 20 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 19 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 59 248 PM 84 2016 60 -1 68
MINIMUM 47 1159 PM 33 1961 44 3 45
AVERAGE 53 52 1 57
PRECIPITATION (IN)
YESTERDAY 0.03 1.85 1965 0.11 -0.08 0.00
MONTH TO DATE 1.98 2.18 -0.20 0.40
SINCE OCT 1 25.94 31.83 -5.89 30.27
SINCE JAN 1 12.54 15.89 -3.35 13.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1985 0.0
2008
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 12 13 -1 8
MONTH TO DATE 251 280 -29 287
SINCE MAR 1 797 837 -40 836
SINCE JUL 1 3954 3884 70 3747
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 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 AM
LOWEST 49 600 PM
AVERAGE 73
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 81 2016
MINIMUM TEMPERATURE (F) 44 30 1961
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 611 AM PDT SUNSET 806 PM PDT
APRIL 21 2025.........SUNRISE 609 AM PDT SUNSET 808 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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