528
CDUS46 KSEW 190123
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
623 PM PDT WED OCT 18 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2023...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 71R 254 PM 70 1974 60 11 68
MINIMUM 51 347 AM 32 1949 47 4 47
AVERAGE 61 53 8 58
PRECIPITATION (IN)
TODAY 0.00 2.23 1947 0.13 -0.13 0.00
MONTH TO DATE 2.12 1.88 0.24 0.01
SINCE OCT 1 2.12 1.88 0.24 0.01
SINCE JAN 1 19.94 25.28 -5.34 25.39
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 12 -8 7
MONTH TO DATE 109 169 -60 52
SINCE SEP 1 217 271 -54 87
SINCE JUL 1 229 326 -97 107
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 13
SINCE SEP 1 26 30 -4 50
SINCE JAN 1 378 263 115 394
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1200 AM
LOWEST 39 100 PM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 72 2014
MINIMUM TEMPERATURE (F) 46 28 1949
SUNRISE AND SUNSET
OCTOBER 18 2023.......SUNRISE 732 AM PDT SUNSET 616 PM PDT
OCTOBER 19 2023.......SUNRISE 733 AM PDT SUNSET 614 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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