715
CDUS46 KSEW 180117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT WED JUL 17 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 17 2024
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 438 PM 96 1979 78 5 77
MINIMUM 64 553 AM 48 1950 57 7 60
1953
1955
AVERAGE 74 68 6 69
PRECIPITATION (IN)
TODAY 0.00 0.35 1974 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.37 -0.37 0.00
SINCE OCT 1 33.28 36.53 -3.25 28.91
SINCE JAN 1 16.13 20.59 -4.46 14.02
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 23 -21 2
SINCE JUN 1 134 141 -7 114
SINCE JUL 1 2 23 -21 2
COOLING
TODAY 9 3 6 4
MONTH TO DATE 127 41 86 68
SINCE JUN 1 146 70 76 97
SINCE JAN 1 153 80 73 132
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 600 AM
LOWEST 42 400 PM
AVERAGE 59
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 1995
MINIMUM TEMPERATURE (F) 57 47 1952
SUNRISE AND SUNSET
JULY 17 2024..........SUNRISE 530 AM PDT SUNSET 900 PM PDT
JULY 18 2024..........SUNRISE 531 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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