Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 110826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED SEP 11 2024
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 71 310 PM 92 2022 74 -3 80
MINIMUM 54 1159 PM 39 1952 55 -1 54
AVERAGE 63 64 -1 67
PRECIPITATION (IN)
YESTERDAY T 0.64 2004 0.05 -0.05 0.00
MONTH TO DATE T 0.44 -0.44 0.13
SINCE OCT 1 35.10 38.17 -3.07 29.40
SINCE JAN 1 17.95 22.23 -4.28 14.51
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 2 2 0 0
MONTH TO DATE 4 20 -16 15
SINCE SEP 1 4 20 -16 15
SINCE JUL 1 40 75 -35 27
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 37 19 18 18
SINCE SEP 1 37 19 18 18
SINCE JAN 1 310 252 58 370
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 36 300 PM
AVERAGE 67
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 2013
MINIMUM TEMPERATURE (F) 55 40 1952
SUNRISE AND SUNSET
SEPTEMBER 11 2024.....SUNRISE 642 AM PDT SUNSET 728 PM PDT
SEPTEMBER 12 2024.....SUNRISE 643 AM PDT SUNSET 726 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$