Climatological Report (Daily)
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000
CDUS46 KSEW 270851
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
151 AM PDT THU APR 27 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 26 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         58    316 PM  82    1947  61     -3       59
  MINIMUM         45   1159 PM  32    1948  44      1       43
  AVERAGE         52                        52      0       51

PRECIPITATION (IN)
  YESTERDAY        T             0.37 1959   0.08  -0.08     0.00
  MONTH TO DATE    3.95                      2.42   1.53     1.18
  SINCE OCT 1     44.74                     30.61  14.13    44.51
  SINCE JAN 1     24.34                     15.21   9.13    20.12

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   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       13                        13      0       14
  MONTH TO DATE  367                       389    -22      219
  SINCE MAR 1    947                       963    -16      696
  SINCE JUL 1   4120                      4217    -97     3540

 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  13   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    14.8


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     57           100 PM
 AVERAGE    75

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        81      1987
 MINIMUM TEMPERATURE (F)   44        31      1948


SUNRISE AND SUNSET
APRIL 27 2017.........SUNRISE   558 AM PDT   SUNSET   816 PM PDT
APRIL 28 2017.........SUNRISE   557 AM PDT   SUNSET   817 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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