781
CDUS46 KSEW 280837
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
137 AM PDT MON AUG 28 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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 84 305 PM 88 1986 76 8 70
1994
2009
MINIMUM 59 626 AM 44 1952 56 3 57
AVERAGE 72 66 6 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.76 1951 0.04 -0.04 T
MONTH TO DATE 0.12 0.81 -0.69 0.05
SINCE OCT 1 29.12 37.57 -8.45 45.23
SINCE JAN 1 14.23 21.63 -7.40 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 1
MONTH TO DATE 3 20 -17 3
SINCE JUN 1 117 169 -52 160
SINCE JUL 1 5 51 -46 20
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 167 90 77 142
SINCE JUN 1 315 215 100 319
SINCE JAN 1 350 225 125 319
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 35 500 PM
AVERAGE 61
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 1967
MINIMUM TEMPERATURE (F) 56 46 1952
SUNRISE AND SUNSET
AUGUST 28 2023........SUNRISE 623 AM PDT SUNSET 757 PM PDT
AUGUST 29 2023........SUNRISE 624 AM PDT SUNSET 755 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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