Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KSEW 220839
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
139 AM PDT THU JUN 22 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    431 PM  89    1992  71     -2       71
  MINIMUM         53    431 AM  43    1947  53      0       54
  AVERAGE         61                        62     -1       63

PRECIPITATION (IN)
  YESTERDAY        0.00          1.00 1967   0.05  -0.05     0.00
  MONTH TO DATE    1.52                      1.22   0.30     1.08
  SINCE OCT 1     48.80                     34.06  14.74    46.54
  SINCE JAN 1     28.40                     18.66   9.74    22.15

DEGREE DAYS
 HEATING
  YESTERDAY        4                         4      0        2
  MONTH TO DATE   89                       113    -24       80
  SINCE JUN 1     89                       113    -24       80
  SINCE JUL 1   4496                      4666   -170     3823

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    7                         9     -2       44
  SINCE JUN 1      7                         9     -2       44
  SINCE JAN 1     26                        15     11       70
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    10.0


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71           200 AM
 LOWEST     48           300 PM
 AVERAGE    60

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        92      1992
 MINIMUM TEMPERATURE (F)   53        45      1952


SUNRISE AND SUNSET
JUNE 22 2017..........SUNRISE   512 AM PDT   SUNSET   910 PM PDT
JUNE 23 2017..........SUNRISE   513 AM PDT   SUNSET   910 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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