Climatological Report (Daily)
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000
CDUS46 KSEW 210827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
126 AM PDT TUE OCT 21 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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         61    410 PM  69    1987  58      3       51
  MINIMUM         54   1126 PM  29    1949  45      9       46
  AVERAGE         58                        52      6       49

PRECIPITATION (IN)
  YESTERDAY        0.46          5.02 2003   0.12   0.34     0.00
  MONTH TO DATE    2.40                      1.85   0.55     1.44
  SINCE OCT 1      2.40                      1.85   0.55     1.44
  SINCE JAN 1     34.52                     23.94  10.58    27.01

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   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       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                        13     -6       16
  MONTH TO DATE   94                       215   -121      245
  SINCE SEP 1    136                       347   -211      341
  SINCE JUL 1    159                       432   -273      356

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE SEP 1     46                        21     25       55
  SINCE JAN 1    369                       189    180      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.0


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     77           700 PM
 AVERAGE    85

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        72      1965
 MINIMUM TEMPERATURE (F)   45        32      1949


SUNRISE AND SUNSET
OCTOBER 21 2014.......SUNRISE   737 AM PDT   SUNSET   610 PM PDT
OCTOBER 22 2014.......SUNRISE   738 AM PDT   SUNSET   608 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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