110
CDUS46 KSEW 020827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT SEP 02 2023
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 429 PM 91 1987 75 3 79
MINIMUM 60 607 AM 46 1973 56 4 58
AVERAGE 69 66 3 69
PRECIPITATION (IN)
YESTERDAY 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 29.27 37.77 -8.50 45.23
SINCE JAN 1 14.38 21.83 -7.45 25.13
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 0 2 -2 0
MONTH TO DATE 0 2 -2 0
SINCE SEP 1 0 2 -2 0
SINCE JUL 1 12 57 -45 20
COOLING
YESTERDAY 4 2 2 4
MONTH TO DATE 4 2 2 4
SINCE SEP 1 4 2 2 4
SINCE JAN 1 356 235 121 348
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 39 600 PM
AVERAGE 61
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 98 1988
MINIMUM TEMPERATURE (F) 56 41 1960
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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