917
CDUS46 KSEW 250826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN MAY 25 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 24 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 76 448 PM 89 1992 68 8 57
MINIMUM 47 446 AM 37 1950 50 -3 48
1975
AVERAGE 62 59 3 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 1998 0.05 -0.05 0.07
MONTH TO DATE 0.65 1.48 -0.83 1.27
SINCE OCT 1 27.16 34.31 -7.15 32.03
SINCE JAN 1 13.76 18.37 -4.61 14.88
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 3 6 -3 12
MONTH TO DATE 218 200 18 231
SINCE MAR 1 1145 1169 -24 1200
SINCE JUL 1 4302 4216 86 4111
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 1 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 500 AM
LOWEST 26 400 PM
AVERAGE 53
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 1947
MINIMUM TEMPERATURE (F) 50 37 1964
SUNRISE AND SUNSET
MAY 25 2025...........SUNRISE 521 AM PDT SUNSET 852 PM PDT
MAY 26 2025...........SUNRISE 520 AM PDT SUNSET 853 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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