674
CDUS46 KSEW 160830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT WED MAY 16 2012
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 15 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 76 459 PM 85 2007 65 11 51
MINIMUM 49 501 AM 38 1964 47 2 47
AVERAGE 63 56 7 49
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 2011 0.06 -0.06 0.81
MONTH TO DATE 0.84 0.95 -0.11 2.60
SINCE OCT 1 32.03 31.85 0.18 40.38
SINCE JAN 1 21.18 16.45 4.73 21.40
DEGREE DAYS
HEATING
YESTERDAY 2 9 -7 16
MONTH TO DATE 158 159 -1 209
SINCE MAR 1 1249 1173 76 1396
SINCE JUL 1 4636 4427 209 4753
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 3 0 3 0
SINCE JAN 1 3 0 3 0
..............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 600 AM
LOWEST 33 400 PM
AVERAGE 61
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 84 2008
1985
MINIMUM TEMPERATURE (F) 47 40 2003
SUNRISE AND SUNSET
MAY 16 2012...........SUNRISE 530 AM PDT SUNSET 841 PM PDT
MAY 17 2012...........SUNRISE 529 AM PDT SUNSET 843 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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