108
CDUS46 KSEW 090828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT THU AUG 9 2012
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 8 2012
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 423 PM 98 1960 77 -5 70
MINIMUM 59 116 AM 47 1974 56 3 54
AVERAGE 66 67 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 1953 0.02 -0.02 0.00
MONTH TO DATE T 0.15 -0.15 T
SINCE OCT 1 37.24 35.26 1.98 43.11
SINCE JAN 1 26.39 19.86 6.53 24.13
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 3
MONTH TO DATE 1 8 -7 6
SINCE JUN 1 244 201 43 216
SINCE JUL 1 50 57 -7 51
COOLING
YESTERDAY 1 3 -2 0
MONTH TO DATE 39 24 15 11
SINCE JUN 1 72 116 -44 40
SINCE JAN 1 75 122 -47 40
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 49 200 PM
AVERAGE 64
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 99 1981
1960
MINIMUM TEMPERATURE (F) 56 47 1950
SUNRISE AND SUNSET
AUGUST 9 2012........SUNRISE 558 AM PDT SUNSET 830 PM PDT
AUGUST 10 2012........SUNRISE 600 AM PDT SUNSET 828 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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