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CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
341 AM PST MON DEC 19 2011


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 18 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1940 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44    353 PM  58    1972  45     -1       43
  MINIMUM         36    451 AM  11    1964  35      1       35
  AVERAGE         40                        40      0       39

PRECIPITATION (IN)
  YESTERDAY        0.04          1.01 1941   0.18  -0.14     0.33
  MONTH TO DATE    0.10                      3.32  -3.22     5.30
  SINCE OCT 1      8.81                     11.95  -3.14    15.80
  SINCE JAN 1     34.69                     33.86   0.83    43.13

SNOWFALL (IN)
  YESTERDAY       MM
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        25      0       26
  MONTH TO DATE  502                       433     69      357
  SINCE DEC 1    502                       433     69      357
  SINCE JUL 1   1435                      1402     33     1365

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    362                       424    -62      314
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     1.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     85           100 AM
 AVERAGE    93

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


THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        59      1972
                                             1961
                                             1953
 MINIMUM TEMPERATURE (F)   35        14      1964


SUNRISE AND SUNSET
DECEMBER 19 2011......SUNRISE   747 AM PST   SUNSET   428 PM PST
DECEMBER 20 2011......SUNRISE   747 AM PST   SUNSET   429 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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