490
CDUS46 KSEW 140828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT WED MAY 14 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 13 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 60 302 PM 86 2023 66 -6 63
MINIMUM 48 203 AM 37 1956 48 0 52
AVERAGE 54 57 -3 58
PRECIPITATION (IN)
YESTERDAY T 0.44 2009 0.06 -0.06 0.00
MONTH TO DATE 0.02 0.86 -0.84 0.28
SINCE OCT 1 26.53 33.69 -7.16 31.04
SINCE JAN 1 13.13 17.75 -4.62 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 11 8 3 7
MONTH TO DATE 115 122 -7 120
SINCE MAR 1 1042 1091 -49 1089
SINCE JUL 1 4199 4138 61 4000
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 7
SINCE MAR 1 0 1 -1 7
SINCE JAN 1 0 1 -1 7
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1100 PM
LOWEST 60 100 PM
AVERAGE 78
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 89 2023
MINIMUM TEMPERATURE (F) 49 36 1964
SUNRISE AND SUNSET
MAY 14 2025...........SUNRISE 533 AM PDT SUNSET 839 PM PDT
MAY 15 2025...........SUNRISE 532 AM PDT SUNSET 840 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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