501
CDUS46 KSEW 090826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU MAY 09 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 8 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 64 435 PM 84 1969 65 -1 66
1987
MINIMUM 42 518 AM 36 1999 47 -5 50
AVERAGE 53 56 -3 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.54 2014 0.06 -0.06 0.01
MONTH TO DATE 0.28 0.55 -0.27 0.79
SINCE OCT 1 30.83 33.38 -2.55 27.55
SINCE JAN 1 13.68 17.44 -3.76 12.66
SNOWFALL (IN)
YESTERDAY 0.0 T 1953 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 12 9 3 7
MONTH TO DATE 106 79 27 74
SINCE MAR 1 1075 1048 27 1152
SINCE JUL 1 3965 4095 -130 4239
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 600 AM
LOWEST 34 300 PM
AVERAGE 55
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 86 2020
MINIMUM TEMPERATURE (F) 48 38 1955
1985
1999
SUNRISE AND SUNSET
MAY 9 2024...........SUNRISE 539 AM PDT SUNSET 833 PM PDT
MAY 10 2024...........SUNRISE 538 AM PDT SUNSET 834 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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