224
CDUS46 KSEW 170827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE OCT 17 2023
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 62 141 PM 88 2022 60 2 88
MINIMUM 51 254 AM 32 1946 47 4 55
AVERAGE 57 54 3 72
PRECIPITATION (IN)
YESTERDAY 0.57 0.94 1947 0.12 0.45 0.00
MONTH TO DATE 2.06 1.62 0.44 0.01
SINCE OCT 1 2.06 1.62 0.44 0.01
SINCE JAN 1 19.88 25.02 -5.14 25.39
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 MM
DEGREE DAYS
HEATING
YESTERDAY 8 11 -3 0
MONTH TO DATE 95 145 -50 40
SINCE SEP 1 203 247 -44 75
SINCE JUL 1 215 302 -87 95
COOLING
YESTERDAY 0 0 0 7
MONTH TO DATE 0 0 0 13
SINCE SEP 1 26 30 -4 50
SINCE JAN 1 378 263 115 394
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1000 AM
LOWEST 83 400 PM
AVERAGE 90
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 74 1989
MINIMUM TEMPERATURE (F) 47 34 1949
SUNRISE AND SUNSET
OCTOBER 17 2023.......SUNRISE 731 AM PDT SUNSET 618 PM PDT
OCTOBER 18 2023.......SUNRISE 732 AM PDT SUNSET 616 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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