Climatological Report (Daily)
Issued by NWS

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CDUS46 KSEW 161709 CCA
CLISEA

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE WA
909 AM PST MON JAN 16 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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         43    237 PM  58    1974  47     -4       47
  MINIMUM         27    645 AM  15    1950  37    -10       33
  AVERAGE         35                        42     -7       40

PRECIPITATION (IN)
  YESTERDAY        0.00          1.68 1996   0.19  -0.19     0.05
  MONTH TO DATE    1.00                      2.83  -1.83     1.75
  SINCE OCT 1     21.40                     18.23   3.17    26.14
  SINCE JAN 1      1.00                      2.83  -1.83     1.75

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1969                   0.0
  MONTH TO DATE    3.0                                        T
  SINCE OCT 1      4.0                                        T
  SINCE JUL 1      4.0                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        23      7       25
  MONTH TO DATE  486                       353    133      364
  SINCE DEC 1   1316                      1108    208     1041
  SINCE JUL 1   2167                      2291   -124     2052

 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   2   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     3.1


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 PM
 LOWEST     62           300 PM
 AVERAGE    77

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        55      2011
 MINIMUM TEMPERATURE (F)   37        13      1950


SUNRISE AND SUNSET
JANUARY 16 2017.......SUNRISE   751 AM PST   SUNSET   448 PM PST
JANUARY 17 2017.......SUNRISE   750 AM PST   SUNSET   449 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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