041
CDUS46 KSEW 280117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT WED SEP 27 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 60 459 PM 89 1967 68 -8 76
MINIMUM 52 713 AM 35 1972 51 1 53
AVERAGE 56 60 -4 65
PRECIPITATION (IN)
TODAY 0.43 1.04 1981 0.07 0.36 0.00
MONTH TO DATE 3.31 1.39 1.92 0.22
SINCE OCT 1 32.58 39.12 -6.54 45.45
SINCE JAN 1 17.69 23.18 -5.49 25.35
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 9 6 3 0
MONTH TO DATE 79 85 -6 25
SINCE SEP 1 79 85 -6 25
SINCE JUL 1 91 140 -49 45
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 7 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 AM
LOWEST 72 100 AM
AVERAGE 83
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 2017
MINIMUM TEMPERATURE (F) 51 38 1946
1950
SUNRISE AND SUNSET
SEPTEMBER 27 2023.....SUNRISE 703 AM PDT SUNSET 657 PM PDT
SEPTEMBER 28 2023.....SUNRISE 704 AM PDT SUNSET 655 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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