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CDUS41 KGYX 201328
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME                                     
828 AM EST THU DEC 20 2007


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

...THE PORTLAND CLIMATE SUMMARY FOR DECEMBER 19 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1941 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         30    439 PM  54    1949  35     -5       41       
  MINIMUM          6    315 AM -13    1975  17    -11       21       
  AVERAGE         18                        26     -8       31      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          2.14 1889   0.13  -0.08     0.00    
  MONTH TO DATE    1.91                      2.67  -0.76     1.14    
  SINCE DEC 1      1.91                      2.67  -0.76     1.14    
  SINCE JAN 1     45.03                     44.26   0.77    58.64    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.6           4.0  1961   0.5    0.1      0.0     
  MONTH TO DATE   23.3                       7.0   16.3      2.8     
  SINCE DEC 1     23.3                       7.0   16.3      2.8     
  SINCE JUL 1     23.3                      10.3   13.0      2.8     
  SNOW DEPTH      11                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       47                        38      9       34       
  MONTH TO DATE  802                       670    132      554       
  SINCE DEC 1    802                       670    132      554       
  SINCE JUL 1   2166                      2238    -72     1867       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    397                       347     50      432       
..................................................................


 WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   N (10)       
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     5.4                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1000 PM                                     
 LOWEST     56           900 AM                                     
 AVERAGE    74                                                       

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

                                                                      
THE PORTLAND CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        53      1957                    
 MINIMUM TEMPERATURE (F)   17       -20      1975                    

                                                                      
SUNRISE AND SUNSET                                                   
DECEMBER 20 2007......SUNRISE   711 AM EST   SUNSET   407 PM EST   
DECEMBER 21 2007......SUNRISE   711 AM EST   SUNSET   407 PM EST   

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

 


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