668
CDUS46 KSEW 100827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE OCT 10 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 63 421 PM 79 1996 63 0 74
MINIMUM 53 1159 PM 35 1960 49 4 51
AVERAGE 58 56 2 63
PRECIPITATION (IN)
YESTERDAY 0.03 1.27 1953 0.11 -0.08 0.00
MONTH TO DATE 0.52 0.83 -0.31 0.00
SINCE OCT 1 0.52 0.83 -0.31 0.00
SINCE JAN 1 18.34 24.23 -5.89 25.38
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 2
MONTH TO DATE 46 72 -26 15
SINCE SEP 1 154 174 -20 50
SINCE JUL 1 166 229 -63 70
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 5
SINCE SEP 1 26 30 -4 42
SINCE JAN 1 378 263 115 386
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1200 AM
LOWEST 65 1100 AM
AVERAGE 76
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 77 1987
MINIMUM TEMPERATURE (F) 48 34 1946
2019
SUNRISE AND SUNSET
OCTOBER 10 2023.......SUNRISE 721 AM PDT SUNSET 631 PM PDT
OCTOBER 11 2023.......SUNRISE 722 AM PDT SUNSET 629 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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