Climatological Report (Daily)
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000
CDUS46 KSEW 010828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT WED OCT 1 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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         67    355 PM  82    1992  66      1       57
  MINIMUM         54    620 AM  36    1950  49      5       50
  AVERAGE         61                        57      4       54

PRECIPITATION (IN)
  YESTERDAY        T             1.65 1953   0.07  -0.07     0.73
  MONTH TO DATE    2.23                      1.50   0.73     6.17
  SINCE OCT 1     39.11                     37.49   1.62    47.41
  SINCE JAN 1     32.12                     22.09  10.03    25.57

DEGREE DAYS
 HEATING
  YESTERDAY        4                         8     -4       11
  MONTH TO DATE   42                       131    -89       96
  SINCE SEP 1     42                       132    -90       96
  SINCE JUL 1     65                       217   -152      111

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   44                        21     23       55
  SINCE SEP 1     44                        21     23       55
  SINCE JAN 1    367                       189    178      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SE (150)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           200 AM
 LOWEST     52           300 PM
 AVERAGE    69

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        89      1987
 MINIMUM TEMPERATURE (F)   49        35      1950


SUNRISE AND SUNSET
OCTOBER  1 2014.......SUNRISE   708 AM PDT   SUNSET   648 PM PDT
OCTOBER  2 2014.......SUNRISE   710 AM PDT   SUNSET   646 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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