Climatological Report (Daily)
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000
CDUS46 KSEW 240829
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
129 AM PDT TUE APR 24 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 23 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         69    208 PM  72    1977  60      9       53
  MINIMUM         41    509 AM  31    1954  43     -2       45
  AVERAGE         55                        51      4       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.71 1996   0.08  -0.08     0.49
  MONTH TO DATE    5.37                      2.19   3.18     3.84
  SINCE OCT 1     36.95                     30.38   6.57    44.63
  SINCE JAN 1     18.09                     14.98   3.11    24.23

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   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       10                        14     -4       16
  MONTH TO DATE  354                       350      4      327
  SINCE MAR 1    926                       924      2      907
  SINCE JUL 1   3959                      4178   -219     4080

 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  10   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    11.5


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           600 AM
 LOWEST     31           200 PM
 AVERAGE    57

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        76      1977
 MINIMUM TEMPERATURE (F)   43        30      1950


SUNRISE AND SUNSET
APRIL 24 2018.........SUNRISE   604 AM PDT   SUNSET   811 PM PDT
APRIL 25 2018.........SUNRISE   602 AM PDT   SUNSET   813 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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