Climatological Report (Daily)
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000
CDUS46 KSEW 220830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT MON SEP 22 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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         79    253 PM  88    1974  69     10       70
                                      1952
  MINIMUM         55    628 AM  39    1960  51      4       56
                                      1955
  AVERAGE         67                        60      7       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.94 1981   0.05  -0.05      T
  MONTH TO DATE    0.15                      0.94  -0.79     2.31
  SINCE OCT 1     37.03                     36.93   0.10    43.55
  SINCE JAN 1     30.04                     21.53   8.51    21.71

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        2
  MONTH TO DATE   13                        71    -58       15
  SINCE SEP 1     13                        71    -58       15
  SINCE JUL 1     36                       156   -120       30

 COOLING
  YESTERDAY        2                         0      2        0
  MONTH TO DATE   43                        19     24       55
  SINCE SEP 1     43                        19     24       55
  SINCE JAN 1    366                       187    179      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.7


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     45           100 PM
 AVERAGE    69

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1990
 MINIMUM TEMPERATURE (F)   51        37      1955


SUNRISE AND SUNSET
SEPTEMBER 22 2014.....SUNRISE   656 AM PDT   SUNSET   707 PM PDT
SEPTEMBER 23 2014.....SUNRISE   657 AM PDT   SUNSET   705 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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