599
CDUS46 KSEW 240831
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PDT MON JUL 24 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 23 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 414 PM 99 1991 79 5 72
MINIMUM 59 507 AM 47 1955 58 1 57
1963
AVERAGE 72 68 4 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.76 2014 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.47 -0.47 0.18
SINCE OCT 1 28.91 36.63 -7.72 45.18
SINCE JAN 1 14.02 20.69 -6.67 25.08
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 29 -27 17
SINCE JUN 1 114 147 -33 157
SINCE JUL 1 2 29 -27 17
COOLING
YESTERDAY 7 4 3 0
MONTH TO DATE 103 64 39 49
SINCE JUN 1 132 93 39 80
SINCE JAN 1 167 103 64 80
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 300 AM
LOWEST 28 600 PM
AVERAGE 48
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2004
MINIMUM TEMPERATURE (F) 58 43 1953
SUNRISE AND SUNSET
JULY 24 2023..........SUNRISE 537 AM PDT SUNSET 853 PM PDT
JULY 25 2023..........SUNRISE 539 AM PDT SUNSET 852 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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