655
CDUS46 KSEW 310832
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
132 AM PDT THU AUG 31 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 74 348 PM 90 2022 76 -2 90
MINIMUM 59 118 AM 45 1950 56 3 62
AVERAGE 67 66 1 76
PRECIPITATION (IN)
YESTERDAY 0.01 0.40 2015 0.04 -0.03 0.00
MONTH TO DATE 0.25 0.93 -0.68 0.05
SINCE OCT 1 29.25 37.69 -8.44 45.23
SINCE JAN 1 14.36 21.75 -7.39 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 9 23 -14 3
SINCE JUN 1 123 172 -49 160
SINCE JUL 1 11 54 -43 20
COOLING
YESTERDAY 2 2 0 11
MONTH TO DATE 169 96 73 159
SINCE JUN 1 317 221 96 336
SINCE JAN 1 352 231 121 336
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 51 400 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1987
MINIMUM TEMPERATURE (F) 56 46 1950
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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