Climatological Report (Daily)
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000
CDUS46 KSEW 230827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
127 AM PDT TUE SEP 23 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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         72    321 PM  92    1990  69      3       63
  MINIMUM         59   1143 PM  37    1955  51      8       56
  AVERAGE         66                        60      6       60

PRECIPITATION (IN)
  YESTERDAY        0.01          1.65 1978   0.06  -0.05     0.53
  MONTH TO DATE    0.16                      1.00  -0.84     2.84
  SINCE OCT 1     37.04                     36.99   0.05    44.08
  SINCE JAN 1     30.05                     21.59   8.46    22.24

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6        5
  MONTH TO DATE   13                        77    -64       20
  SINCE SEP 1     13                        77    -64       20
  SINCE JUL 1     36                       162   -126       35

 COOLING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE   44                        19     25       55
  SINCE SEP 1     44                        19     25       55
  SINCE JAN 1    367                       187    180      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           800 AM
 LOWEST     57           100 PM
 AVERAGE    74

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        83      1957
 MINIMUM TEMPERATURE (F)   51        40      1948


SUNRISE AND SUNSET
SEPTEMBER 23 2014.....SUNRISE   657 AM PDT   SUNSET   705 PM PDT
SEPTEMBER 24 2014.....SUNRISE   659 AM PDT   SUNSET   703 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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