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CDUS41 KGYX 130524
CLIPWM


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME                                     
1224 AM EST THU DEC 13 2007


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

...THE PORTLAND CLIMATE SUMMARY FOR DECEMBER 12 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         44   1218 PM  64    1979  37      7       39       
  MINIMUM         22   1159 PM -15    1977  20      2       19       
  AVERAGE         33                        29      4       29      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.87 1952   0.14  -0.14     0.00    
  MONTH TO DATE    0.79                      1.71  -0.92     1.03    
  SINCE DEC 1      0.79                      1.71  -0.92     1.03    
  SINCE JAN 1     43.91                     43.30   0.61    58.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T            14.7  1960   0.4   -0.4      0.0     
  MONTH TO DATE   10.2                       3.9    6.3      2.8     
  SINCE DEC 1     10.2                       3.9    6.3      2.8     
  SINCE JUL 1     10.2                       7.2    3.0      2.8     
  SNOW DEPTH       5                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                        36     -4       36       
  MONTH TO DATE  485                       409     76      380       
  SINCE DEC 1    485                       409     76      380       
  SINCE JUL 1   1849                      1977   -128     1693       
                                                                     
 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   8   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     9.7                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           200 AM                                     
 LOWEST     38           500 PM                                     
 AVERAGE    67                                                       

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

                                                                      
THE PORTLAND CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   37        60      1984                    
 MINIMUM TEMPERATURE (F)   19        -5      1976                    

                                                                      
SUNRISE AND SUNSET                                                   
DECEMBER 13 2007......SUNRISE   706 AM EST   SUNSET   405 PM EST   
DECEMBER 14 2007......SUNRISE   707 AM EST   SUNSET   405 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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