585
CDUS46 KSEW 170833
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
133 AM PDT SAT AUG 17 2024
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 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 75 523 PM 98 1967 78 -3 95
2020
MINIMUM 59 827 AM 47 1946 57 2 67
AVERAGE 67 68 -1 81
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 1995 0.03 -0.03 0.00
MONTH TO DATE 0.00 0.41 -0.41 0.04
SINCE OCT 1 33.44 37.17 -3.73 29.04
SINCE JAN 1 16.29 21.23 -4.94 14.15
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 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 9 -7 0
SINCE JUN 1 141 158 -17 114
SINCE JUL 1 9 40 -31 2
COOLING
YESTERDAY 2 3 -1 16
MONTH TO DATE 60 61 -1 123
SINCE JUN 1 243 186 57 271
SINCE JAN 1 250 196 54 306
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 39 500 PM
AVERAGE 57
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1977
MINIMUM TEMPERATURE (F) 57 45 1951
SUNRISE AND SUNSET
AUGUST 17 2024........SUNRISE 609 AM PDT SUNSET 816 PM PDT
AUGUST 18 2024........SUNRISE 610 AM PDT SUNSET 815 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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