485
CDUS46 KSEW 200121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT THU OCT 19 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 69 200 PM 72 2014 59 10 67
MINIMUM MM MM 28 1949 46 MM 48
AVERAGE MM 53 MM 58
PRECIPITATION (IN)
TODAY 0.00 1.05 1958 0.13 -0.13 0.00
MONTH TO DATE 2.12 2.01 0.11 0.01
SINCE OCT 1 2.12 2.01 0.11 0.01
SINCE JAN 1 19.94 25.41 -5.47 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 MM 12 MM 7
MONTH TO DATE 109 181 -72 59
SINCE SEP 1 217 283 -66 94
SINCE JUL 1 229 338 -109 114
COOLING
TODAY MM 0 MM 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 9 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 800 AM
LOWEST 70 1100 AM
AVERAGE 79
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 69 1987
MINIMUM TEMPERATURE (F) 46 29 1949
SUNRISE AND SUNSET
OCTOBER 19 2023.......SUNRISE 733 AM PDT SUNSET 614 PM PDT
OCTOBER 20 2023.......SUNRISE 735 AM PDT SUNSET 612 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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