039
CDUS46 KSEW 270826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED SEP 27 2023
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 2023...
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)
YESTERDAY
MAXIMUM 65 1140 AM 82 2022 68 -3 82
MINIMUM 51 358 AM 39 1972 52 -1 55
AVERAGE 58 60 -2 69
PRECIPITATION (IN)
YESTERDAY 0.60 1.51 1948 0.07 0.53 0.00
MONTH TO DATE 2.88 1.32 1.56 0.22
SINCE OCT 1 32.15 39.05 -6.90 45.45
SINCE JAN 1 17.26 23.11 -5.85 25.35
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 7 5 2 0
MONTH TO DATE 70 79 -9 25
SINCE SEP 1 70 79 -9 25
SINCE JUL 1 82 134 -52 45
COOLING
YESTERDAY 0 0 0 4
MONTH TO DATE 26 30 -4 37
SINCE SEP 1 26 30 -4 37
SINCE JAN 1 378 263 115 381
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 67 900 AM
AVERAGE 80
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1967
MINIMUM TEMPERATURE (F) 51 35 1972
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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