Climatological Report (Daily)
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000
CDUS46 KSEW 260828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1227 AM PST FRI DEC 26 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         46    109 PM  60    1980  45      1       44
  MINIMUM         37   1123 PM  24    1995  35      2       35
  AVERAGE         42                        40      2       40

PRECIPITATION (IN)
  YESTERDAY        0.00          1.06 1998   0.17  -0.17     0.00
  MONTH TO DATE    4.50                      4.37   0.13     1.62
  SINCE OCT 1     16.09                     14.42   1.67     6.95
  SINCE JAN 1     48.21                     36.51  11.70    32.52

SNOWFALL (IN)
  YESTERDAY        0.0           1.0  1965                   0.0
  MONTH TO DATE    0.0                                       1.1
  SINCE OCT 1      0.8                                       1.1
  SINCE JUL 1      0.8                                       1.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        25     -2       25
  MONTH TO DATE  442                       610   -168      639
  SINCE DEC 1    442                       610   -168      639
  SINCE JUL 1   1282                      1793   -511     1661

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    369                       189    180      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     4.8


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     76          1100 AM
 AVERAGE    85

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        62      1980
 MINIMUM TEMPERATURE (F)   36        22      1948


SUNRISE AND SUNSET
DECEMBER 26 2014......SUNRISE   756 AM PST   SUNSET   424 PM PST
DECEMBER 27 2014......SUNRISE   756 AM PST   SUNSET   425 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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