Climatological Report (Daily)
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000
CDUS46 KSEW 260124
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
623 PM PDT SAT MAR 25 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 25 2017...
VALID TODAY AS OF 0600 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         52    241 PM  64    1969  55     -3       56
                                      1966
                                      1960
  MINIMUM         43    655 AM  31    1954  40      3       43
  AVERAGE         48                        48      0       50

PRECIPITATION (IN)
  TODAY            0.01          0.62 2010   0.12  -0.11     0.00
  MONTH TO DATE    6.12                      3.06   3.06     5.21
  SINCE OCT 1     39.59                     27.53  12.06    43.02
  SINCE JAN 1     19.19                     12.13   7.06    18.63

SNOWFALL (IN)
  TODAY            0.0           1.3  1955                   0.0
  MONTH TO DATE    T                                         0.0
  SINCE OCT 1     11.2                                        T
  SINCE JUL 1     11.2                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           17                        17      0       15
  MONTH TO DATE  481                       471     10      398
  SINCE MAR 1    481                       471     10      398
  SINCE JUL 1   3654                      3725    -71     3242

 COOLING
  TODAY            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  11   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.9


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     61           300 PM
 AVERAGE    75

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        70      1969
 MINIMUM TEMPERATURE (F)   40        30      1947


SUNRISE AND SUNSET
MARCH 25 2017.........SUNRISE   701 AM PDT   SUNSET   730 PM PDT
MARCH 26 2017.........SUNRISE   659 AM PDT   SUNSET   731 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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