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CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON                             
348 AM PST MON DEC 12 2011


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 11 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         41    411 PM  61    1955  46     -5       58       
  MINIMUM         33   1201 AM  14    2009  35     -2       40       
  AVERAGE         37                        40     -3       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.30 2010   0.17  -0.17     1.30    
                                      1969                          
  MONTH TO DATE    0.01                      2.09  -2.08     4.10    
  SINCE OCT 1      8.72                     10.72  -2.00    14.60    
  SINCE JAN 1     34.60                     32.63   1.97    41.93    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        24      4       16       
  MONTH TO DATE  312                       258     54      230       
  SINCE DEC 1    312                       258     54      230       
  SINCE JUL 1   1245                      1227     18     1238       
                                                                     
 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    10   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     1.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           900 PM                                     
 LOWEST     79           500 PM                                     
 AVERAGE    88                                                       

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

                                                                     
THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        63      1995                    
 MINIMUM TEMPERATURE (F)   35        14      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2011......SUNRISE   741 AM PST   SUNSET   427 PM PST   
DECEMBER 13 2011......SUNRISE   742 AM PST   SUNSET   427 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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