974
CDUS46 KSEW 230826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON SEP 23 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 2024...
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)
YESTERDAY
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)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1000 PM
LOWEST 42 400 PM
AVERAGE 65
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1947
MINIMUM TEMPERATURE (F) 52 40 1948
SUNRISE AND SUNSET
SEPTEMBER 23 2024.....SUNRISE 658 AM PDT SUNSET 703 PM PDT
SEPTEMBER 24 2024.....SUNRISE 700 AM PDT SUNSET 701 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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