765
CDUS46 KSEW 200837
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1230 AM PST FRI NOV 20 2009
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 19 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1945 TO 2009
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 759 PM 60 2008 50 7 60
1987
MINIMUM 45 849 AM 23 1946 39 6 42
AVERAGE 51 44 7 51
PRECIPITATION (IN)
YESTERDAY 0.70 1.23 1962 0.21 0.49 T
MONTH TO DATE 5.86 3.61 2.25 6.15
SINCE OCT 1 11.40 6.80 4.60 8.32
SINCE JAN 1 32.59 29.16 3.43 26.26
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1996 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 14 21 -7 14
MONTH TO DATE 343 353 -10 263
SINCE SEP 1 827 874 -47 791
SINCE JUL 1 892 974 -82 886
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 28 19 9 8
SINCE JAN 1 314 173 141 193
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1000 AM
LOWEST 57 800 PM
AVERAGE 79
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 64 1987
MINIMUM TEMPERATURE (F) 39 24 1946
SUNRISE AND SUNSET
NOVEMBER 20 2009......SUNRISE 722 AM PST SUNSET 428 PM PST
NOVEMBER 21 2009......SUNRISE 723 AM PST SUNSET 427 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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