032
CDUS46 KSEW 180826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI JUL 18 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 17 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 423 PM 96 1979 78 8 83
MINIMUM 56 545 AM 48 1950 57 -1 61
1953
1955
AVERAGE 71 68 3 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 1974 0.01 -0.01 0.00
MONTH TO DATE T 0.37 -0.37 0.00
SINCE OCT 1 27.76 36.53 -8.77 33.49
SINCE JAN 1 14.36 20.59 -6.23 16.34
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 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 5 23 -18 2
SINCE JUN 1 99 141 -42 134
SINCE JUL 1 5 23 -18 2
COOLING
YESTERDAY 6 3 3 7
MONTH TO DATE 87 41 46 125
SINCE JUN 1 129 70 59 144
SINCE JAN 1 132 80 52 151
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 33 400 PM
AVERAGE 60
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 1995
MINIMUM TEMPERATURE (F) 57 47 1952
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 531 AM PDT SUNSET 859 PM PDT
JULY 19 2025..........SUNRISE 532 AM PDT SUNSET 858 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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