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CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
341 AM PST MON DEC 26 2011


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 25 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         51    115 PM  64    1980  45      6       47
  MINIMUM         33    953 PM  19    1990  35     -2       40
  AVERAGE         42                        40      2       44

PRECIPITATION (IN)
  YESTERDAY        0.06          1.73 1980   0.17  -0.11     0.14
  MONTH TO DATE    0.20                      4.52  -4.32     6.05
  SINCE OCT 1      8.91                     13.15  -4.24    16.55
  SINCE JAN 1     34.79                     35.06  -0.27    43.88

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       23                        25     -2       21
  MONTH TO DATE  677                       608     69      528
  SINCE DEC 1    677                       608     69      528
  SINCE JUL 1   1610                      1577     33     1536

 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    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     49           200 AM
 AVERAGE    75

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


THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        63      1980
 MINIMUM TEMPERATURE (F)   35        22      1983
                                             1962


SUNRISE AND SUNSET
DECEMBER 26 2011......SUNRISE   750 AM PST   SUNSET   432 PM PST
DECEMBER 27 2011......SUNRISE   750 AM PST   SUNSET   433 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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