271
CDUS46 KSEW 230118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT SUN SEP 22 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 70 339 PM 92 1990 70 0 76
MINIMUM 51 628 AM 37 1955 53 -2 51
AVERAGE 61 61 0 64
PRECIPITATION (IN)
TODAY 0.00 1.65 1978 0.05 -0.05 0.00
MONTH TO DATE 0.41 1.07 -0.66 0.70
SINCE OCT 1 35.51 38.80 -3.29 29.97
SINCE JAN 1 18.36 22.86 -4.50 15.08
SNOWFALL (IN)
TODAY MM 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 4 0 1
MONTH TO DATE 65 59 6 44
SINCE SEP 1 65 59 6 44
SINCE JUL 1 103 114 -11 56
COOLING
TODAY 0 0 0 0
MONTH TO DATE 37 30 7 26
SINCE SEP 1 37 30 7 26
SINCE JAN 1 310 263 47 378
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 42 400 PM
AVERAGE 64
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1947
MINIMUM TEMPERATURE (F) 52 40 1948
SUNRISE AND SUNSET
SEPTEMBER 22 2024.....SUNRISE 657 AM PDT SUNSET 705 PM PDT
SEPTEMBER 23 2024.....SUNRISE 658 AM PDT SUNSET 703 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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