798
CDUS46 KSEW 290832
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
132 AM PDT TUE AUG 29 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 67 244 PM 95 1967 76 -9 77
MINIMUM 61 603 AM 46 1952 56 5 53
AVERAGE 64 66 -2 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.47 1975 0.04 -0.04 0.00
MONTH TO DATE 0.12 0.85 -0.73 0.05
SINCE OCT 1 29.12 37.61 -8.49 45.23
SINCE JAN 1 14.23 21.67 -7.44 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 1 1 0 0
MONTH TO DATE 4 21 -17 3
SINCE JUN 1 118 170 -52 160
SINCE JUL 1 6 52 -46 20
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 167 92 75 142
SINCE JUN 1 315 217 98 319
SINCE JAN 1 350 227 123 319
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 70 800 PM
AVERAGE 79
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1974
MINIMUM TEMPERATURE (F) 56 44 1951
SUNRISE AND SUNSET
AUGUST 29 2023........SUNRISE 624 AM PDT SUNSET 755 PM PDT
AUGUST 30 2023........SUNRISE 625 AM PDT SUNSET 753 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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