659
CDUS46 KSEW 290119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT SAT SEP 28 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 62 224 PM 86 2017 68 -6 63
MINIMUM 49 502 AM 38 1946 51 -2 52
1950
AVERAGE 56 59 -3 58
PRECIPITATION (IN)
TODAY 0.00 1.71 2013 0.07 -0.07 0.13
MONTH TO DATE 0.62 1.46 -0.84 3.44
SINCE OCT 1 35.72 39.19 -3.47 32.71
SINCE JAN 1 18.57 23.25 -4.68 17.82
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 9 6 3 7
MONTH TO DATE 90 91 -1 86
SINCE SEP 1 90 91 -1 86
SINCE JUL 1 128 146 -18 98
COOLING
TODAY 0 0 0 0
MONTH TO DATE 42 30 12 26
SINCE SEP 1 42 30 12 26
SINCE JAN 1 315 263 52 378
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 54 300 PM
AVERAGE 74
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 81 1992
1993
MINIMUM TEMPERATURE (F) 51 37 1954
SUNRISE AND SUNSET
SEPTEMBER 28 2024.....SUNRISE 705 AM PDT SUNSET 653 PM PDT
SEPTEMBER 29 2024.....SUNRISE 706 AM PDT SUNSET 651 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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