831
CDUS46 KSEW 170832
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
132 AM PDT SUN MAR 17 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 16 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 74R 456 PM 72 1947 54 20 MM
MINIMUM 44 552 AM 29 1952 40 4 33
AVERAGE 59 47 12 MM
PRECIPITATION (IN)
YESTERDAY 0.00 1.09 2014 0.14 -0.14 0.00
MONTH TO DATE 1.14 2.23 -1.09 1.98
SINCE OCT 1 28.44 27.71 0.73 22.32
SINCE JAN 1 11.29 11.77 -0.48 7.43
SNOWFALL (IN)
YESTERDAY 0.0 0.4 1971 0.0
MONTH TO DATE 0.3 T
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.3 8.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 18 -12 MM
MONTH TO DATE 339 303 36 354
SINCE MAR 1 339 303 36 354
SINCE JUL 1 3229 3350 -121 3441
COOLING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 600 AM
LOWEST 25 500 PM
AVERAGE 54
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 71 1947
MINIMUM TEMPERATURE (F) 40 27 1951
1955
SUNRISE AND SUNSET
MARCH 17 2024.........SUNRISE 717 AM PDT SUNSET 719 PM PDT
MARCH 18 2024.........SUNRISE 715 AM PDT SUNSET 720 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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