507
CDUS46 KSEW 090831
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PDT MON OCT 09 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 69 452 PM 80 1951 63 6 77
MINIMUM 55 918 AM 39 1949 49 6 53
1961
AVERAGE 62 56 6 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 1962 0.10 -0.10 0.00
MONTH TO DATE 0.49 0.72 -0.23 0.00
SINCE OCT 1 0.49 0.72 -0.23 0.00
SINCE JAN 1 18.31 24.12 -5.81 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 3 9 -6 0
MONTH TO DATE 39 63 -24 13
SINCE SEP 1 147 165 -18 48
SINCE JUL 1 159 220 -61 68
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 5 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 800 AM
LOWEST 61 300 PM
AVERAGE 79
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 79 1996
MINIMUM TEMPERATURE (F) 49 35 1960
SUNRISE AND SUNSET
OCTOBER 9 2023.......SUNRISE 719 AM PDT SUNSET 633 PM PDT
OCTOBER 10 2023.......SUNRISE 721 AM PDT SUNSET 631 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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