Climatological Report (Daily)
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000
CDUS46 KSEW 190120
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
619 PM PDT SAT APR 18 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 18 2015...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         66    253 PM  77    1962  59      7       58
  MINIMUM         47    459 AM  34    1964  42      5       42
                                      1961
                                      1950
  AVERAGE         57                        51      6       50

PRECIPITATION (IN)
  TODAY            0.00          0.40 1970   0.09  -0.09     0.00
  MONTH TO DATE    1.43                      1.77  -0.34     1.64
  SINCE OCT 1     31.21                     29.96   1.25    27.88
  SINCE JAN 1     14.83                     14.56   0.27    20.89

SNOWFALL (IN)
  TODAY            0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.8                                       4.0
  SINCE JUL 1      0.8                                       4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            8                        14     -6       15
  MONTH TO DATE  268                       280    -12      233
  SINCE MAR 1    709                       854   -145      737
  SINCE JUL 1   3212                      4108   -896     3812

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   N (350)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     8.9


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           200 AM
 LOWEST     34           500 PM
 AVERAGE    56

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        74      1956
                                             1950
 MINIMUM TEMPERATURE (F)   42        33      1961


SUNRISE AND SUNSET
APRIL 18 2015.........SUNRISE   615 AM PDT   SUNSET   803 PM PDT
APRIL 19 2015.........SUNRISE   614 AM PDT   SUNSET   804 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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