Climatological Report (Daily)
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081
CDUS46 KSEW 260834
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
134 AM PDT WED APR 26 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 25 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         56    206 PM  77    1992  60     -4       59
  MINIMUM         47    623 AM  34    1948  43      4       44
  AVERAGE         52                        52      0       52

PRECIPITATION (IN)
  YESTERDAY        0.05          0.52 2011   0.07  -0.02     0.11
                                      1993
  MONTH TO DATE    3.95                      2.34   1.61     1.18
  SINCE OCT 1     44.74                     30.53  14.21    44.51
  SINCE JAN 1     24.34                     15.13   9.21    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       13
  MONTH TO DATE  354                       376    -22      205
  SINCE MAR 1    934                       950    -16      682
  SINCE JUL 1   4107                      4204    -97     3526

 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   9   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.7


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     59          1200 PM
 AVERAGE    80

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        82      1947
 MINIMUM TEMPERATURE (F)   44        32      1948


SUNRISE AND SUNSET
APRIL 26 2017.........SUNRISE   600 AM PDT   SUNSET   815 PM PDT
APRIL 27 2017.........SUNRISE   558 AM PDT   SUNSET   816 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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