Climatological Report (Daily)
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000
CDUS46 KSEW 230832
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
132 AM PDT MON APR 23 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         59    434 PM  78    2005  60     -1       63
                                      1977
  MINIMUM         44    638 AM  35    1972  43      1       48
                                      1964
                                      1950
  AVERAGE         52                        51      1       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.28 1996   0.08  -0.08     0.07
  MONTH TO DATE    5.37                      2.11   3.26     3.35
  SINCE OCT 1     36.95                     30.30   6.65    44.14
  SINCE JAN 1     18.09                     14.90   3.19    23.74

SNOWFALL (IN)
  YESTERDAY        0.0           T    1978                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      4.0                                      11.2
  SINCE JUL 1      4.0                                      11.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        14     -1        9
  MONTH TO DATE  344                       336      8      311
  SINCE MAR 1    916                       910      6      891
  SINCE JUL 1   3949                      4164   -215     4064

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


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           300 AM
 LOWEST     44           400 PM
 AVERAGE    60

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


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 2018.........SUNRISE   606 AM PDT   SUNSET   810 PM PDT
APRIL 24 2018.........SUNRISE   604 AM PDT   SUNSET   811 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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