304
CDUS46 KSEW 150118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT SAT SEP 14 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 110 PM 93 1979 72 -6 77
MINIMUM 56 610 AM 46 1947 54 2 54
1955
1986
AVERAGE 61 63 -2 66
PRECIPITATION (IN)
TODAY 0.09 0.73 1949 0.05 0.04 0.00
MONTH TO DATE 0.37 0.64 -0.27 0.18
SINCE OCT 1 35.47 38.37 -2.90 29.45
SINCE JAN 1 18.32 22.43 -4.11 14.56
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 3 1 0
MONTH TO DATE 23 30 -7 19
SINCE SEP 1 23 30 -7 19
SINCE JUL 1 59 85 -26 31
COOLING
TODAY 0 1 -1 1
MONTH TO DATE 37 23 14 20
SINCE SEP 1 37 23 14 20
SINCE JAN 1 310 256 54 372
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 65 100 PM
AVERAGE 79
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 1967
MINIMUM TEMPERATURE (F) 54 42 1952
SUNRISE AND SUNSET
SEPTEMBER 14 2024.....SUNRISE 646 AM PDT SUNSET 722 PM PDT
SEPTEMBER 15 2024.....SUNRISE 647 AM PDT SUNSET 720 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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