759
CDUS46 KSEW 180122
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
622 PM PDT MON JUL 17 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 17 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 324 PM 96 1979 78 -1 69
MINIMUM 60 622 AM 48 1950 57 3 57
1953
1955
AVERAGE 69 68 1 63
PRECIPITATION (IN)
TODAY 0.00 0.35 1974 0.01 -0.01 0.01
MONTH TO DATE 0.00 0.37 -0.37 0.17
SINCE OCT 1 28.91 36.53 -7.62 45.17
SINCE JAN 1 14.02 20.59 -6.57 25.07
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 2
MONTH TO DATE 2 23 -21 16
SINCE JUN 1 114 141 -27 156
SINCE JUL 1 2 23 -21 16
COOLING
TODAY 4 3 1 0
MONTH TO DATE 68 41 27 34
SINCE JUN 1 97 70 27 65
SINCE JAN 1 132 80 52 65
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WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 400 AM
LOWEST 38 300 PM
AVERAGE 58
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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 2023..........SUNRISE 530 AM PDT SUNSET 901 PM PDT
JULY 18 2023..........SUNRISE 531 AM PDT SUNSET 900 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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