691
CDUS46 KSEW 010118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT THU AUG 31 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 69 342 PM 92 1987 76 -7 85
MINIMUM 59 714 AM 46 1950 56 3 60
AVERAGE 64 66 -2 73
PRECIPITATION (IN)
TODAY 0.02 0.56 1961 0.04 -0.02 0.00
MONTH TO DATE 0.27 0.97 -0.70 0.05
SINCE OCT 1 29.27 37.73 -8.46 45.23
SINCE JAN 1 14.38 21.79 -7.41 25.13
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 1 1 0 0
MONTH TO DATE 10 24 -14 3
SINCE JUN 1 124 173 -49 160
SINCE JUL 1 12 55 -43 20
COOLING
TODAY 0 2 -2 8
MONTH TO DATE 169 98 71 167
SINCE JUN 1 317 223 94 344
SINCE JAN 1 352 233 119 344
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 63 400 PM
AVERAGE 78
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1987
MINIMUM TEMPERATURE (F) 56 46 1973
SUNRISE AND SUNSET
AUGUST 31 2023........SUNRISE 627 AM PDT SUNSET 751 PM PDT
SEPTEMBER 1 2023.....SUNRISE 628 AM PDT SUNSET 750 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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