Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS46 KSEW 280830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1230 AM PST SUN DEC 28 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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         49    401 PM  58    1994  45      4       48
  MINIMUM         40    550 AM  20    1968  36      4       32
  AVERAGE         45                        40      5       40

PRECIPITATION (IN)
  YESTERDAY        0.13          1.53 1998   0.17  -0.04     0.01
  MONTH TO DATE    4.63                      4.71  -0.08     1.63
  SINCE OCT 1     16.22                     14.76   1.46     6.96
  SINCE JAN 1     48.34                     36.85  11.49    32.53

SNOWFALL (IN)
  YESTERDAY        0.0           1.2  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       20                        25     -5       25
  MONTH TO DATE  488                       660   -172      690
  SINCE DEC 1    488                       660   -172      690
  SINCE JUL 1   1328                      1843   -515     1712

 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  10   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.0


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           800 AM
 LOWEST     76           600 PM
 AVERAGE    86

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        56      1980
 MINIMUM TEMPERATURE (F)   36        12      1990


SUNRISE AND SUNSET
DECEMBER 28 2014......SUNRISE   756 AM PST   SUNSET   425 PM PST
DECEMBER 29 2014......SUNRISE   757 AM PST   SUNSET   426 PM PST


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




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.