255
CDUS46 KSEW 090826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED AUG 09 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 79 535 PM 98 1960 79 0 91
MINIMUM 60 509 AM 47 1974 58 2 61
AVERAGE 70 68 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 1953 0.03 -0.03 0.00
MONTH TO DATE 0.04 0.18 -0.14 T
SINCE OCT 1 29.04 36.94 -7.90 45.18
SINCE JAN 1 14.15 21.00 -6.85 25.08
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 0 1 -1 2
SINCE JUN 1 114 150 -36 159
SINCE JUL 1 2 32 -30 19
COOLING
YESTERDAY 5 4 1 11
MONTH TO DATE 43 32 11 37
SINCE JUN 1 191 157 34 214
SINCE JAN 1 226 167 59 214
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 42 500 PM
AVERAGE 65
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 99 1960
1981
MINIMUM TEMPERATURE (F) 58 47 1950
SUNRISE AND SUNSET
AUGUST 9 2023........SUNRISE 557 AM PDT SUNSET 831 PM PDT
AUGUST 10 2023........SUNRISE 559 AM PDT SUNSET 830 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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