811
CDUS46 KSEW 020121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT SUN SEP 01 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 82 429 PM 91 1987 75 7 78
MINIMUM 61 614 AM 46 1973 56 5 60
AVERAGE 72 66 6 69
PRECIPITATION (IN)
TODAY 0.00 0.55 1978 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.04 -0.04 0.00
SINCE OCT 1 35.10 37.77 -2.67 29.27
SINCE JAN 1 17.95 21.83 -3.88 14.38
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 2 -2 0
SINCE SEP 1 0 2 -2 0
SINCE JUL 1 36 57 -21 12
COOLING
TODAY 7 2 5 4
MONTH TO DATE 7 2 5 4
SINCE SEP 1 7 2 5 4
SINCE JAN 1 280 235 45 356
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 45 300 PM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 98 1988
MINIMUM TEMPERATURE (F) 56 41 1960
SUNRISE AND SUNSET
SEPTEMBER 1 2024.....SUNRISE 629 AM PDT SUNSET 748 PM PDT
SEPTEMBER 2 2024.....SUNRISE 630 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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