Climatological Report (Daily)
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000
CDUS46 KSEW 190119
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
619 PM PDT THU SEP 18 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2014...
VALID TODAY AS OF 0600 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         67    449 PM  85    1991  70     -3       70
  MINIMUM         59    616 AM  41    1955  52      7       56
                                      1948
  AVERAGE         63                        61      2       63

PRECIPITATION (IN)
  TODAY            0.01          0.78 2010   0.05  -0.04     0.00
  MONTH TO DATE    0.15                      0.78  -0.63     2.17
  SINCE OCT 1     37.03                     36.77   0.26    43.41
  SINCE JAN 1     30.04                     21.37   8.67    21.57

DEGREE DAYS
 HEATING
  TODAY            2                         5     -3        2
  MONTH TO DATE   13                        56    -43       12
  SINCE SEP 1     13                        56    -43       12
  SINCE JUL 1     36                       141   -105       27

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   36                        18     18       55
  SINCE SEP 1     36                        18     18       55
  SINCE JAN 1    359                       186    173      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.8


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     68           400 PM
 AVERAGE    81

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        82      1999
 MINIMUM TEMPERATURE (F)   52        40      1957


SUNRISE AND SUNSET
SEPTEMBER 18 2014.....SUNRISE   651 AM PDT   SUNSET   715 PM PDT
SEPTEMBER 19 2014.....SUNRISE   652 AM PDT   SUNSET   713 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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