Climatological Report (Daily)
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000
CDUS46 KSEW 270833
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
133 AM PDT MON MAR 27 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 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         49   1217 PM  70    1969  55     -6       58
  MINIMUM         43    519 AM  30    1947  40      3       42
  AVERAGE         46                        48     -2       50

PRECIPITATION (IN)
  YESTERDAY        0.38          1.51 2005   0.11   0.27     0.13
  MONTH TO DATE    6.50                      3.17   3.33     5.34
  SINCE OCT 1     39.97                     27.64  12.33    43.15
  SINCE JAN 1     19.57                     12.24   7.33    18.76

SNOWFALL (IN)
  YESTERDAY        0.0           T    2008                   0.0
                                      1976
  MONTH TO DATE    T                                         0.0
  SINCE OCT 1     11.2                                        T
  SINCE JUL 1     11.2                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        17      2       15
  MONTH TO DATE  500                       488     12      413
  SINCE MAR 1    500                       488     12      413
  SINCE JUL 1   3673                      3742    -69     3257

 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   5   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     3.9


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 PM
 LOWEST     76           400 AM
 AVERAGE    85

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        71      1994
 MINIMUM TEMPERATURE (F)   41        26      1975


SUNRISE AND SUNSET
MARCH 27 2017.........SUNRISE   657 AM PDT   SUNSET   732 PM PDT
MARCH 28 2017.........SUNRISE   655 AM PDT   SUNSET   734 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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