903
CDUS46 KSEW 120116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT TUE JUL 11 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 11 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 77 442 PM 98 2007 77 0 86
MINIMUM 55 454 AM 49 1960 56 -1 60
AVERAGE 66 67 -1 73
PRECIPITATION (IN)
TODAY 0.00 0.25 1983 0.03 -0.03 0.00
MONTH TO DATE 0.00 0.27 -0.27 0.16
SINCE OCT 1 28.91 36.43 -7.52 45.16
SINCE JAN 1 14.02 20.49 -6.47 25.06
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 0
MONTH TO DATE 2 17 -15 14
SINCE JUN 1 114 135 -21 154
SINCE JUL 1 2 17 -15 14
COOLING
TODAY 1 3 -2 8
MONTH TO DATE 38 23 15 22
SINCE JUN 1 67 52 15 53
SINCE JAN 1 102 62 40 53
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 40 400 PM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 97 1961
MINIMUM TEMPERATURE (F) 57 47 1954
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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