Climatological Report (Daily)
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000
CDUS46 KSEW 160830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT TUE SEP 16 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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         87    433 PM  93    1967  71     16       66
  MINIMUM         54    604 AM  42    1952  52      2       58
  AVERAGE         71                        62      9       62

PRECIPITATION (IN)
  YESTERDAY        0.00          0.69 1959   0.05  -0.05     0.13
  MONTH TO DATE    0.12                      0.64  -0.52     2.16
  SINCE OCT 1     37.00                     36.63   0.37    43.40
  SINCE JAN 1     30.01                     21.23   8.78    21.56

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        3
  MONTH TO DATE   11                        43    -32        6
  SINCE SEP 1     11                        43    -32        6
  SINCE JUL 1     34                       128    -94       21

 COOLING
  YESTERDAY        6                         1      5        0
  MONTH TO DATE   35                        15     20       55
  SINCE SEP 1     35                        15     20       55
  SINCE JAN 1    358                       183    175      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     2.6


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           600 AM
 LOWEST     19           400 PM
 AVERAGE    51

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        91      1967
 MINIMUM TEMPERATURE (F)   52        44      1992
                                             1952


SUNRISE AND SUNSET
SEPTEMBER 16 2014.....SUNRISE   648 AM PDT   SUNSET   719 PM PDT
SEPTEMBER 17 2014.....SUNRISE   649 AM PDT   SUNSET   717 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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