474
CDUS46 KSEW 030117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SAT SEP 02 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 87 407 PM 98 1988 75 12 80
MINIMUM 58 539 AM 41 1960 56 2 56
AVERAGE 73 66 7 68
PRECIPITATION (IN)
TODAY 0.00 0.71 1979 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.08 -0.08 0.00
SINCE OCT 1 29.27 37.81 -8.54 45.23
SINCE JAN 1 14.38 21.87 -7.49 25.13
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 2 -2 0
MONTH TO DATE 0 4 -4 0
SINCE SEP 1 0 4 -4 0
SINCE JUL 1 12 59 -47 20
COOLING
TODAY 8 2 6 3
MONTH TO DATE 12 4 8 7
SINCE SEP 1 12 4 8 7
SINCE JAN 1 364 237 127 351
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 600 AM
LOWEST 29 400 PM
AVERAGE 56
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1988
MINIMUM TEMPERATURE (F) 56 45 1956
SUNRISE AND SUNSET
SEPTEMBER 2 2023.....SUNRISE 629 AM PDT SUNSET 748 PM PDT
SEPTEMBER 3 2023.....SUNRISE 631 AM PDT SUNSET 746 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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