370
CDUS46 KSEW 290827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN OCT 29 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 28 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 51 308 PM 68 2017 56 -5 57
MINIMUM 33 715 AM 29 1946 44 -11 47
AVERAGE 42 50 -8 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.99 2021 0.17 -0.17 0.28
MONTH TO DATE 2.89 3.40 -0.51 1.58
SINCE OCT 1 2.89 3.40 -0.51 1.58
SINCE JAN 1 20.71 26.80 -6.09 26.96
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 23 15 8 13
MONTH TO DATE 227 304 -77 191
SINCE SEP 1 335 406 -71 226
SINCE JUL 1 347 461 -114 246
COOLING
YESTERDAY 0 0 0 0
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 4 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 600 AM
LOWEST 32 200 PM
AVERAGE 55
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 65 1986
1987
MINIMUM TEMPERATURE (F) 44 31 1970
1971
SUNRISE AND SUNSET
OCTOBER 29 2023.......SUNRISE 748 AM PDT SUNSET 557 PM PDT
OCTOBER 30 2023.......SUNRISE 750 AM PDT SUNSET 555 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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