581
CDUS46 KSEW 240834
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
134 AM PDT SAT MAY 24 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 23 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 67 458 PM 90 1969 68 -1 61
MINIMUM 49 421 AM 37 1950 50 -1 47
1980
AVERAGE 58 59 -1 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 1962 0.06 -0.06 0.00
MONTH TO DATE 0.65 1.43 -0.78 1.20
SINCE OCT 1 27.16 34.26 -7.10 31.96
SINCE JAN 1 13.76 18.32 -4.56 14.81
SNOWFALL (IN)
YESTERDAY 0.0 T 1989 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 7 6 1 11
MONTH TO DATE 215 194 21 219
SINCE MAR 1 1142 1163 -21 1188
SINCE JUL 1 4299 4210 89 4099
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 4 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 400 AM
LOWEST 32 500 PM
AVERAGE 55
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1992
MINIMUM TEMPERATURE (F) 50 37 1950
1975
SUNRISE AND SUNSET
MAY 24 2025...........SUNRISE 522 AM PDT SUNSET 851 PM PDT
MAY 25 2025...........SUNRISE 521 AM PDT SUNSET 852 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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