430
CDUS46 KSEW 130826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED MAY 13 2026
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 12 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82R 252 PM 82 2023 66 16 67
MINIMUM 52 526 AM 38 1964 48 4 45
1985
2011
AVERAGE 67 57 10 56
PRECIPITATION (IN)
YESTERDAY 0.01 0.71 1996 0.06 -0.05 T
MONTH TO DATE 0.01 0.80 -0.79 0.02
SINCE OCT 1 33.46 33.63 -0.17 26.53
SINCE JAN 1 16.68 17.69 -1.01 13.13
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 3.0 2.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 9
MONTH TO DATE 58 114 -56 104
SINCE MAR 1 1014 1083 -69 1031
SINCE JUL 1 3764 4130 -366 4188
COOLING
YESTERDAY 2 0 2 0
MONTH TO DATE 6 0 6 0
SINCE MAR 1 6 1 5 0
SINCE JAN 1 6 1 5 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 26 300 PM
AVERAGE 55
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2023
MINIMUM TEMPERATURE (F) 48 37 1956
SUNRISE AND SUNSET
MAY 13 2026...........SUNRISE 535 AM PDT SUNSET 837 PM PDT
MAY 14 2026...........SUNRISE 533 AM PDT SUNSET 839 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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