669
CDUS46 KSEW 180826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU JUL 18 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 17 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 83 438 PM 96 1979 78 5 77
MINIMUM 61 1159 PM 48 1950 57 4 60
1953
1955
AVERAGE 72 68 4 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 1974 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.37 -0.37 0.00
SINCE OCT 1 33.28 36.53 -3.25 28.91
SINCE JAN 1 16.13 20.59 -4.46 14.02
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 23 -21 2
SINCE JUN 1 134 141 -7 114
SINCE JUL 1 2 23 -21 2
COOLING
YESTERDAY 7 3 4 4
MONTH TO DATE 125 41 84 68
SINCE JUN 1 144 70 74 97
SINCE JAN 1 151 80 71 132
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 600 AM
LOWEST 41 500 PM
AVERAGE 58
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 1995
MINIMUM TEMPERATURE (F) 57 47 1952
SUNRISE AND SUNSET
JULY 18 2024..........SUNRISE 531 AM PDT SUNSET 859 PM PDT
JULY 19 2024..........SUNRISE 533 AM PDT SUNSET 858 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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