250
CDUS46 KSEW 100828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT MON JUL 10 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 9 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 79 516 PM 93 2010 76 3 77
MINIMUM 54 448 AM 48 1960 56 -2 58
AVERAGE 67 66 1 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1995 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.22 -0.22 0.16
SINCE OCT 1 28.91 36.38 -7.47 45.16
SINCE JAN 1 14.02 20.44 -6.42 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 15 -14 14
SINCE JUN 1 113 133 -20 154
SINCE JUL 1 1 15 -14 14
COOLING
YESTERDAY 2 2 0 3
MONTH TO DATE 37 18 19 12
SINCE JUN 1 66 47 19 43
SINCE JAN 1 101 57 44 43
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 100 AM
LOWEST 33 500 PM
AVERAGE 57
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 1945
MINIMUM TEMPERATURE (F) 56 46 1960
SUNRISE AND SUNSET
JULY 10 2023..........SUNRISE 523 AM PDT SUNSET 906 PM PDT
JULY 11 2023..........SUNRISE 524 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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