Climatological Report (Daily)
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000
CDUS46 KSEW 220125
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
625 PM PDT THU AUG 21 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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         70    445 PM  88    1966  76     -6       82
  MINIMUM         52    534 AM  46    1973  56     -4       59
  AVERAGE         61                        66     -5       71

PRECIPITATION (IN)
  TODAY            0.00          0.70 1989   0.03  -0.03     0.00
  MONTH TO DATE    1.43                      0.52   0.91     0.27
  SINCE OCT 1     36.50                     35.63   0.87    40.16
  SINCE JAN 1     29.51                     20.23   9.28    18.32

DEGREE DAYS
 HEATING
  TODAY            4                         1      3        0
  MONTH TO DATE    5                        21    -16        6
  SINCE JUN 1    113                       214   -101       64
  SINCE JUL 1     19                        70    -51       15

 COOLING
  TODAY            0                         2     -2        6
  MONTH TO DATE  112                        56     56      106
  SINCE JUN 1    275                       148    127      268
  SINCE JAN 1    290                       154    136      281
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     4.4


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     51           500 PM
 AVERAGE    72

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        86      1956
 MINIMUM TEMPERATURE (F)   56        45      1960


SUNRISE AND SUNSET
AUGUST 21 2014........SUNRISE   613 AM PDT   SUNSET   810 PM PDT
AUGUST 22 2014........SUNRISE   615 AM PDT   SUNSET   808 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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