940
CDUS46 KSEW 080825
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
125 AM PDT THU MAY 08 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 7 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 66 252 PM 82 2016 65 1 59
MINIMUM 46 1159 PM 33 1962 47 -1 42
AVERAGE 56 56 0 51
PRECIPITATION (IN)
YESTERDAY T 0.66 1983 0.07 -0.07 0.01
MONTH TO DATE T 0.49 -0.49 0.28
SINCE OCT 1 26.51 33.32 -6.81 31.04
SINCE JAN 1 13.11 17.38 -4.27 13.89
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 9 9 0 14
MONTH TO DATE 57 70 -13 94
SINCE MAR 1 984 1039 -55 1063
SINCE JUL 1 4141 4086 55 3974
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 900 AM
LOWEST 49 300 AM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 84 1969
1987
MINIMUM TEMPERATURE (F) 47 36 1999
SUNRISE AND SUNSET
MAY 8 2025...........SUNRISE 541 AM PDT SUNSET 831 PM PDT
MAY 9 2025...........SUNRISE 540 AM PDT SUNSET 832 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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