340
CDUS46 KSEW 110840
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
140 AM PDT WED OCT 11 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 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 62 242 PM 77 1987 63 -1 69
MINIMUM 50 1153 PM 34 1946 48 2 51
2019
AVERAGE 56 55 1 60
PRECIPITATION (IN)
YESTERDAY 0.38 1.13 2015 0.10 0.28 0.01
MONTH TO DATE 0.90 0.93 -0.03 0.01
SINCE OCT 1 0.90 0.93 -0.03 0.01
SINCE JAN 1 18.72 24.33 -5.61 25.39
SNOWFALL (IN)
YESTERDAY MM 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 9 10 -1 5
MONTH TO DATE 55 82 -27 20
SINCE SEP 1 163 184 -21 55
SINCE JUL 1 175 239 -64 75
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 8 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 800 PM
LOWEST 69 200 PM
AVERAGE 78
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 83 1991
MINIMUM TEMPERATURE (F) 48 36 1946
SUNRISE AND SUNSET
OCTOBER 11 2023.......SUNRISE 722 AM PDT SUNSET 629 PM PDT
OCTOBER 12 2023.......SUNRISE 723 AM PDT SUNSET 627 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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