083
CDUS46 KSEW 300828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT MON OCT 30 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 29 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 55 318 PM 65 1986 56 -1 56
1987
MINIMUM 32 431 AM 31 1970 44 -12 43
1971
AVERAGE 44 50 -6 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.24 1975 0.16 -0.16 0.00
MONTH TO DATE 2.89 3.56 -0.67 1.58
SINCE OCT 1 2.89 3.56 -0.67 1.58
SINCE JAN 1 20.71 26.96 -6.25 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 21 15 6 15
MONTH TO DATE 248 319 -71 206
SINCE SEP 1 356 421 -65 241
SINCE JUL 1 368 476 -108 261
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 6 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 300 AM
LOWEST 39 1200 PM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 66 1967
MINIMUM TEMPERATURE (F) 44 30 1991
SUNRISE AND SUNSET
OCTOBER 30 2023.......SUNRISE 750 AM PDT SUNSET 555 PM PDT
OCTOBER 31 2023.......SUNRISE 751 AM PDT SUNSET 554 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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