Climatological Report (Daily)
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000
CDUS46 KSEW 230828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT SUN APR 23 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 22 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         63    742 AM  78    2005  60      3       62
                                      1977
  MINIMUM         48   1100 PM  35    1972  43      5       52
                                      1964
                                      1950
  AVERAGE         56                        51      5       57

PRECIPITATION (IN)
  YESTERDAY        0.07          1.28 1996   0.08  -0.01      T
  MONTH TO DATE    3.35                      2.11   1.24     0.76
  SINCE OCT 1     44.14                     30.30  13.84    44.09
  SINCE JAN 1     23.74                     14.90   8.84    19.70

SNOWFALL (IN)
  YESTERDAY        0.0           T    1978                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1     11.2                                        T
  SINCE JUL 1     11.2                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                        14     -5        8
  MONTH TO DATE  311                       336    -25      171
  SINCE MAR 1    891                       910    -19      648
  SINCE JUL 1   4064                      4164   -100     3492

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


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1000 PM
 LOWEST     32           100 AM
 AVERAGE    63

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        72      1977
 MINIMUM TEMPERATURE (F)   43        31      1954


SUNRISE AND SUNSET
APRIL 23 2017.........SUNRISE   605 AM PDT   SUNSET   810 PM PDT
APRIL 24 2017.........SUNRISE   604 AM PDT   SUNSET   812 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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