618
CDUS46 KSEW 250116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT TUE SEP 24 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 78 343 PM 89 1974 69 9 64
MINIMUM 58 405 AM 38 1948 52 6 52
AVERAGE 68 60 8 58
PRECIPITATION (IN)
TODAY 0.00 0.99 1950 0.06 -0.06 0.61
MONTH TO DATE 0.41 1.19 -0.78 1.46
SINCE OCT 1 35.51 38.92 -3.41 30.73
SINCE JAN 1 18.36 22.98 -4.62 15.84
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 0 5 -5 7
MONTH TO DATE 65 69 -4 57
SINCE SEP 1 65 69 -4 57
SINCE JUL 1 103 124 -21 69
COOLING
TODAY 3 0 3 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 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 54 300 PM
AVERAGE 76
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 85 1991
MINIMUM TEMPERATURE (F) 52 36 1972
SUNRISE AND SUNSET
SEPTEMBER 24 2024.....SUNRISE 700 AM PDT SUNSET 701 PM PDT
SEPTEMBER 25 2024.....SUNRISE 701 AM PDT SUNSET 659 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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