995
CDUS46 KSEW 190116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT FRI AUG 18 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 75 443 PM 88 1991 78 -3 87
MINIMUM 57 800 AM 47 1951 57 0 68
AVERAGE 66 67 -1 78
PRECIPITATION (IN)
TODAY 0.00 1.63 1975 0.04 -0.04 0.00
MONTH TO DATE 0.04 0.48 -0.44 0.03
SINCE OCT 1 29.04 37.24 -8.20 45.21
SINCE JAN 1 14.15 21.30 -7.15 25.11
SNOWFALL (IN)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 11 -11 2
SINCE JUN 1 114 160 -46 159
SINCE JUL 1 2 42 -40 19
COOLING
TODAY 1 3 -2 13
MONTH TO DATE 136 67 69 94
SINCE JUN 1 284 192 92 271
SINCE JAN 1 319 202 117 271
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1200 AM
LOWEST 42 400 PM
AVERAGE 60
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 2016
MINIMUM TEMPERATURE (F) 57 47 1945
1947
SUNRISE AND SUNSET
AUGUST 18 2023........SUNRISE 609 AM PDT SUNSET 816 PM PDT
AUGUST 19 2023........SUNRISE 611 AM PDT SUNSET 814 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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