618
CDUS46 KSEW 280826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT SEP 28 2024
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 66 350 PM 89 1967 68 -2 60
MINIMUM 52 1159 PM 35 1972 51 1 52
AVERAGE 59 60 -1 56
PRECIPITATION (IN)
YESTERDAY 0.03 1.04 1981 0.07 -0.04 0.43
MONTH TO DATE 0.62 1.39 -0.77 3.31
SINCE OCT 1 35.72 39.12 -3.40 32.58
SINCE JAN 1 18.57 23.18 -4.61 17.69
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 6 6 0 9
MONTH TO DATE 81 85 -4 79
SINCE SEP 1 81 85 -4 79
SINCE JUL 1 119 140 -21 91
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 30 12 26
SINCE SEP 1 42 30 12 26
SINCE JAN 1 315 263 52 378
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 52 500 PM
AVERAGE 75
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 2017
MINIMUM TEMPERATURE (F) 51 38 1946
1950
SUNRISE AND SUNSET
SEPTEMBER 28 2024.....SUNRISE 705 AM PDT SUNSET 653 PM PDT
SEPTEMBER 29 2024.....SUNRISE 706 AM PDT SUNSET 651 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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