621
CDUS46 KSEW 270828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT SUN AUG 27 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 88 351 PM 92 2016 76 12 72
MINIMUM 59 546 AM 46 1957 57 2 60
AVERAGE 74 66 8 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.67 1977 0.04 -0.04 T
MONTH TO DATE 0.12 0.77 -0.65 0.05
SINCE OCT 1 29.12 37.53 -8.41 45.23
SINCE JAN 1 14.23 21.59 -7.36 25.13
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 3 19 -16 2
SINCE JUN 1 117 168 -51 159
SINCE JUL 1 5 50 -45 19
COOLING
YESTERDAY 9 2 7 1
MONTH TO DATE 160 88 72 142
SINCE JUN 1 308 213 95 319
SINCE JAN 1 343 223 120 319
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 29 400 PM
AVERAGE 54
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 88 1986
1994
2009
MINIMUM TEMPERATURE (F) 56 44 1952
SUNRISE AND SUNSET
AUGUST 27 2023........SUNRISE 621 AM PDT SUNSET 759 PM PDT
AUGUST 28 2023........SUNRISE 623 AM PDT SUNSET 757 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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