454
CDUS46 KSEW 290117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT FRI JUL 28 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 28 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 79 419 PM 97 1958 79 0 94
1998
2009
MINIMUM 56 724 AM 47 1953 58 -2 61
AVERAGE 68 68 0 78
PRECIPITATION (IN)
TODAY 0.00 0.22 1993 0.02 -0.02 0.00
MONTH TO DATE 0.09 0.55 -0.46 0.18
SINCE OCT 1 29.00 36.71 -7.71 45.18
SINCE JAN 1 14.11 20.77 -6.66 25.08
SNOWFALL (IN)
TODAY 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
TODAY 0 1 -1 0
MONTH TO DATE 2 34 -32 17
SINCE JUN 1 114 152 -38 157
SINCE JUL 1 2 34 -32 17
COOLING
TODAY 3 4 -1 13
MONTH TO DATE 111 84 27 103
SINCE JUN 1 140 113 27 134
SINCE JAN 1 175 123 52 134
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 40 400 PM
AVERAGE 67
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2009
MINIMUM TEMPERATURE (F) 58 45 1954
SUNRISE AND SUNSET
JULY 28 2023..........SUNRISE 542 AM PDT SUNSET 848 PM PDT
JULY 29 2023..........SUNRISE 543 AM PDT SUNSET 847 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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