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CDUS41 KGYX 210530
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME                                     
1229 AM EST FRI DEC 21 2007


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

...THE PORTLAND CLIMATE SUMMARY FOR DECEMBER 20 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         29   1238 PM  53    1957  35     -6       39       
  MINIMUM         20   1159 PM -20    1975  17      3       20       
  AVERAGE         25                        26     -1       30      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.26          1.79 1939   0.13   0.13     0.00    
  MONTH TO DATE    2.17                      2.80  -0.63     1.14    
  SINCE DEC 1      2.17                      2.80  -0.63     1.14    
  SINCE JAN 1     45.29                     44.39   0.90    58.64    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        5.1           8.6  1995   0.5    4.6      0.0     
  MONTH TO DATE   28.4                       7.5   20.9      2.8     
  SINCE DEC 1     28.4                       7.5   20.9      2.8     
  SINCE JUL 1     28.4                      10.8   17.6      2.8     
  SNOW DEPTH      16                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        39      1       35       
  MONTH TO DATE  842                       709    133      589       
  SINCE DEC 1    842                       709    133      589       
  SINCE JUL 1   2206                      2277    -71     1902       
                                                                     
 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  11   RESULTANT WIND DIRECTION   N (10)       
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED    11.1                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           800 AM                                     
 LOWEST     74           800 PM                                     
 AVERAGE    83                                                       

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

                                                                      
THE PORTLAND CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        60      1957                    
 MINIMUM TEMPERATURE (F)   17       -14      1955                    

                                                                      
SUNRISE AND SUNSET                                                   
DECEMBER 21 2007......SUNRISE   711 AM EST   SUNSET   407 PM EST   
DECEMBER 22 2007......SUNRISE   712 AM EST   SUNSET   408 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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