304
CDUS46 KSEW 290120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT THU SEP 28 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2023...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 63 312 PM 86 2017 68 -5 65
MINIMUM 52 519 AM 38 1946 51 1 54
1950
AVERAGE 58 59 -1 60
PRECIPITATION (IN)
TODAY 0.13 1.71 2013 0.07 0.06 0.03
MONTH TO DATE 3.44 1.46 1.98 0.25
SINCE OCT 1 32.71 39.19 -6.48 45.48
SINCE JAN 1 17.82 23.25 -5.43 25.38
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 7 6 1 5
MONTH TO DATE 86 91 -5 30
SINCE SEP 1 86 91 -5 30
SINCE JUL 1 98 146 -48 50
COOLING
TODAY 0 0 0 0
MONTH TO DATE 26 30 -4 37
SINCE SEP 1 26 30 -4 37
SINCE JAN 1 378 263 115 381
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 53 200 PM
AVERAGE 73
......................................................
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 2023.....SUNRISE 704 AM PDT SUNSET 655 PM PDT
SEPTEMBER 29 2023.....SUNRISE 705 AM PDT SUNSET 653 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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