Climatological Report (Daily)
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000
CDUS46 KSEW 170829
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
129 AM PDT THU APR 17 2014


...................................

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 16 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         52    559 PM  81    1999  59     -7       57
  MINIMUM         48    728 AM  34    1976  42      6       38
                                      1972
                                      1960
  AVERAGE         50                        50      0       48

PRECIPITATION (IN)
  YESTERDAY        0.43          0.95 1992   0.09   0.34     0.01
  MONTH TO DATE    0.91                      1.59  -0.68     4.55
  SINCE OCT 1     27.15                     29.78  -2.63    34.87
  SINCE JAN 1     20.16                     14.38   5.78    13.03

SNOWFALL (IN)
  YESTERDAY        0.0           1.1  1972                  MM
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      4.0                                       0.6
  SINCE JUL 1      4.0                                       0.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       15                        15      0       17
  MONTH TO DATE  202                       251    -49      241
  SINCE MAR 1    706                       825   -119      764
  SINCE JUL 1   3781                      4079   -298     3905

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    10.2


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1000 AM
 LOWEST     39          1200 AM
 AVERAGE    66

..........................................................


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        74      1983
 MINIMUM TEMPERATURE (F)   42        33      1964


SUNRISE AND SUNSET
APRIL 17 2014.........SUNRISE   617 AM PDT   SUNSET   802 PM PDT
APRIL 18 2014.........SUNRISE   615 AM PDT   SUNSET   803 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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