074
CDUS46 KSEW 190827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT JUL 19 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 18 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 70 453 PM 93 1995 78 -8 83
MINIMUM 56 1159 PM 47 1952 57 -1 57
AVERAGE 63 68 -5 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2007 0.02 -0.02 0.00
MONTH TO DATE T 0.39 -0.39 0.00
SINCE OCT 1 27.76 36.55 -8.79 33.49
SINCE JAN 1 14.36 20.61 -6.25 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 2 1 1 0
MONTH TO DATE 7 24 -17 2
SINCE JUN 1 101 142 -41 134
SINCE JUL 1 7 24 -17 2
COOLING
YESTERDAY 0 3 -3 5
MONTH TO DATE 87 44 43 130
SINCE JUN 1 129 73 56 149
SINCE JAN 1 132 83 49 156
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 57 500 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1988
2015
MINIMUM TEMPERATURE (F) 57 48 1962
SUNRISE AND SUNSET
JULY 19 2025..........SUNRISE 532 AM PDT SUNSET 858 PM PDT
JULY 20 2025..........SUNRISE 533 AM PDT SUNSET 857 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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