658
CDUS46 KSEW 310826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT MAY 31 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 30 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 77 350 PM 87 1956 69 8 63
2007
MINIMUM 50 527 AM 36 1951 51 -1 48
AVERAGE 64 60 4 56
PRECIPITATION (IN)
YESTERDAY 0.00 1.14 2020 0.06 -0.06 T
MONTH TO DATE 0.81 1.83 -1.02 1.54
SINCE OCT 1 27.32 34.66 -7.34 32.30
SINCE JAN 1 13.92 18.72 -4.80 15.15
SNOWFALL (IN)
YESTERDAY 0.0 T 1955 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 1 6 -5 9
MONTH TO DATE 236 236 0 287
SINCE MAR 1 1163 1205 -42 1256
SINCE JUL 1 4320 4252 68 4167
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 7
SINCE MAR 1 3 1 2 7
SINCE JAN 1 3 1 2 7
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 200 AM
LOWEST 26 500 PM
AVERAGE 53
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 1964
MINIMUM TEMPERATURE (F) 51 35 1953
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 517 AM PDT SUNSET 858 PM PDT
JUNE 1 2025..........SUNRISE 516 AM PDT SUNSET 859 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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