Climatological Report (Daily)
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000
CDUS46 KSEW 310826
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1226 AM PST SAT JAN 31 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    216 PM  59    1992  49     -2       47
  MINIMUM         34    835 AM   7    1950  37     -3       43
  AVERAGE         41                        43     -2       45

PRECIPITATION (IN)
  YESTERDAY        0.00          1.00 1952   0.15  -0.15     0.00
  MONTH TO DATE    3.66                      5.41  -1.75     3.61
  SINCE OCT 1     20.04                     20.81  -0.77    10.60
  SINCE JAN 1      3.66                      5.41  -1.75     3.61

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  1974                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.8                                       1.1
  SINCE JUL 1      0.8                                       1.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        22      2       20
  MONTH TO DATE  589                       688    -99      611
  SINCE DEC 1   1192                      1443   -251     1389
  SINCE JUL 1   2032                      2626   -594     2411

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     1.8


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     76           200 PM
 AVERAGE    88

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        61      1960
 MINIMUM TEMPERATURE (F)   37         0      1950


SUNRISE AND SUNSET
JANUARY 31 2015.......SUNRISE   737 AM PST   SUNSET   509 PM PST
FEBRUARY  1 2015......SUNRISE   735 AM PST   SUNSET   511 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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