Climatological Report (Daily)
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000
CDUS46 KSEW 300831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT TUE AUG 30 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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         79    543 PM  91    1974  75      4       72
  MINIMUM         53    534 AM  44    1951  55     -2       56
  AVERAGE         66                        65      1       64

PRECIPITATION (IN)
  YESTERDAY        0.00          1.28 2015   0.04  -0.04     1.28
  MONTH TO DATE    0.16                      0.80  -0.64     2.88
  SINCE OCT 1     48.11                     35.91  12.20    35.59
  SINCE JAN 1     23.72                     20.51   3.21    19.21

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        1
  MONTH TO DATE    8                        31    -23        6
  SINCE JUN 1    110                       224   -114       37
  SINCE JUL 1     19                        80    -61        8

 COOLING
  YESTERDAY        1                         2     -1        0
  MONTH TO DATE  133                        72     61      132
  SINCE JUN 1    262                       164     98      453
  SINCE JAN 1    288                       170    118      460
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     3.7


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     40           300 PM
 AVERAGE    67

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        88      1987
 MINIMUM TEMPERATURE (F)   55        45      1950


SUNRISE AND SUNSET
AUGUST 30 2016........SUNRISE   626 AM PDT   SUNSET   752 PM PDT
AUGUST 31 2016........SUNRISE   627 AM PDT   SUNSET   750 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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