Climatological Report (Daily)
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665
CDUS46 KSEW 280830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
129 AM PDT THU JUL 28 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 27 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    504 PM  95    1998  77      7       74
                                      1958
  MINIMUM         56    512 AM  46    1956  57     -1       54
  AVERAGE         70                        67      3       64

PRECIPITATION (IN)
  YESTERDAY        0.00          0.30 1983   0.01  -0.01     0.00
  MONTH TO DATE    0.72                      0.63   0.09     0.09
  SINCE OCT 1     47.95                     35.04  12.91    32.71
  SINCE JAN 1     23.56                     19.64   3.92    16.33

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        1
  MONTH TO DATE   10                        45    -35        2
  SINCE JUN 1    101                       189    -88       31
  SINCE JUL 1     10                        45    -35        2

 COOLING
  YESTERDAY        5                         3      2        0
  MONTH TO DATE   53                        61     -8      161
  SINCE JUN 1    107                        82     25      279
  SINCE JAN 1    133                        88     45      286
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     7.1


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     40           400 PM
 AVERAGE    70

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        97      2009
                                             1998
                                             1958
 MINIMUM TEMPERATURE (F)   57        47      1953


SUNRISE AND SUNSET
JULY 28 2016..........SUNRISE   543 AM PDT   SUNSET   848 PM PDT
JULY 29 2016..........SUNRISE   544 AM PDT   SUNSET   846 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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