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[Printable]
601
CDUS46 KSEW 180827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
126 AM PDT FRI APR 18 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 17 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         53    238 PM  74    1983  59     -6       59
  MINIMUM         45   1159 PM  33    1964  42      3       39
  AVERAGE         49                        50     -1       49

PRECIPITATION (IN)
  YESTERDAY        0.73R         0.71 1958   0.09   0.64     0.00
  MONTH TO DATE    1.64                      1.68  -0.04     4.55
  SINCE OCT 1     27.88                     29.87  -1.99    34.87
  SINCE JAN 1     20.89                     14.47   6.42    13.03

SNOWFALL (IN)
  YESTERDAY        0.0           1.2  1972                   0.0
  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       16                        15      1       16
  MONTH TO DATE  218                       266    -48      257
  SINCE MAR 1    722                       840   -118      780
  SINCE JUL 1   3797                      4094   -297     3921

 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   9   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    10.5


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1200 PM
 LOWEST     76          1100 PM
 AVERAGE    86

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        77      1962
 MINIMUM TEMPERATURE (F)   42        34      1964
                                             1961
                                             1950


SUNRISE AND SUNSET
APRIL 18 2014.........SUNRISE   615 AM PDT   SUNSET   803 PM PDT
APRIL 19 2014.........SUNRISE   613 AM PDT   SUNSET   804 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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