749
CDUS46 KSEW 130831
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PDT SUN AUG 13 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 12 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 82 424 PM 96 1977 78 4 78
MINIMUM 63 530 AM 49 1949 58 5 56
1950
1953
AVERAGE 73 68 5 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.56 1965 0.03 -0.03 0.00
MONTH TO DATE 0.04 0.29 -0.25 0.03
SINCE OCT 1 29.04 37.05 -8.01 45.21
SINCE JAN 1 14.15 21.11 -6.96 25.11
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 5 -5 2
SINCE JUN 1 114 154 -40 159
SINCE JUL 1 2 36 -34 19
COOLING
YESTERDAY 8 4 4 2
MONTH TO DATE 61 48 13 48
SINCE JUN 1 209 173 36 225
SINCE JAN 1 244 183 61 225
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 200 AM
LOWEST 37 200 PM
AVERAGE 52
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2002
MINIMUM TEMPERATURE (F) 58 44 1955
SUNRISE AND SUNSET
AUGUST 13 2023........SUNRISE 603 AM PDT SUNSET 825 PM PDT
AUGUST 14 2023........SUNRISE 604 AM PDT SUNSET 823 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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