566
CDUS46 KSEW 110826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT TUE JUL 11 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 10 2023
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)
YESTERDAY
MAXIMUM 73 357 PM 90 1945 77 -4 75
MINIMUM 54 338 AM 46 1960 56 -2 58
AVERAGE 64 66 -2 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.38 1981 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.24 -0.24 0.16
SINCE OCT 1 28.91 36.40 -7.49 45.16
SINCE JAN 1 14.02 20.46 -6.44 25.06
SNOWFALL (IN)
YESTERDAY 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 MM
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 0
MONTH TO DATE 2 16 -14 14
SINCE JUN 1 114 134 -20 154
SINCE JUL 1 2 16 -14 14
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 37 20 17 14
SINCE JUN 1 66 49 17 45
SINCE JAN 1 101 59 42 45
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 100 AM
LOWEST 49 300 PM
AVERAGE 66
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 2007
MINIMUM TEMPERATURE (F) 56 49 1960
SUNRISE AND SUNSET
JULY 11 2023..........SUNRISE 524 AM PDT SUNSET 905 PM PDT
JULY 12 2023..........SUNRISE 525 AM PDT SUNSET 905 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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