974
CDUS46 KSEW 170830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT FRI MAY 17 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 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 64 1244 PM 84 1985 67 -3 78
2008
MINIMUM 49 1159 PM 40 2003 49 0 55
AVERAGE 57 58 -1 67
PRECIPITATION (IN)
YESTERDAY 0.02 0.64 1988 0.05 -0.03 T
MONTH TO DATE 0.30 1.03 -0.73 0.91
SINCE OCT 1 30.85 33.86 -3.01 27.67
SINCE JAN 1 13.70 17.92 -4.22 12.78
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 0.3 8.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 8 0 0
MONTH TO DATE 135 146 -11 92
SINCE MAR 1 1104 1115 -11 1170
SINCE JUL 1 3994 4162 -168 4257
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 7 0 7 27
SINCE MAR 1 7 1 6 27
SINCE JAN 1 7 1 6 27
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 60 200 PM
AVERAGE 77
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 2008
MINIMUM TEMPERATURE (F) 49 39 1966
2011
SUNRISE AND SUNSET
MAY 17 2024...........SUNRISE 529 AM PDT SUNSET 843 PM PDT
MAY 18 2024...........SUNRISE 528 AM PDT SUNSET 844 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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