Climatological Report (Daily)
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000
CDUS46 KSEW 220832
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
132 AM PDT FRI MAY 22 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 21 2015...

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)
 YESTERDAY
  MAXIMUM         78    430 PM  93    1963  66     12       68
  MINIMUM         53    516 AM  39    1960  48      5       51
  AVERAGE         66                        57      9       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.55 2012   0.06  -0.06     0.00
  MONTH TO DATE    0.58                      1.31  -0.73     2.78
  SINCE OCT 1     32.39                     32.21   0.18    33.20
  SINCE JAN 1     16.01                     16.81  -0.80    26.21

DEGREE DAYS
 HEATING
  YESTERDAY        0                         8     -8        5
  MONTH TO DATE  144                       210    -66      135
  SINCE MAR 1    986                      1224   -238     1024
  SINCE JUL 1   3489                      4478   -989     4099

 COOLING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE    2                         0      2       14
  SINCE MAR 1      2                         0      2       15
  SINCE JAN 1      2                         0      2       15
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     45           400 PM
 AVERAGE    67

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        86      1969
 MINIMUM TEMPERATURE (F)   49        37      1960


SUNRISE AND SUNSET
MAY 22 2015...........SUNRISE   525 AM PDT   SUNSET   848 PM PDT
MAY 23 2015...........SUNRISE   524 AM PDT   SUNSET   849 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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