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CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON                             
347 AM PST TUE DEC 18 2018


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1940 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         52    404 PM  58    1999  45      7       49       
  MINIMUM         44    733 AM   7    1964  35      9       41       
  AVERAGE         48                        40      8       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.45          1.87 2015   0.17   0.28     0.02    
  MONTH TO DATE    2.16                      3.14  -0.98     0.41    
  SINCE OCT 1      8.45                     11.77  -3.32    11.42    
  SINCE JAN 1     24.38                     33.68  -9.30    43.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.4  1984                           
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        25     -8       20       
  MONTH TO DATE  360                       408    -48      415       
  SINCE DEC 1    360                       408    -48      415       
  SINCE JUL 1   1181                      1377   -196     1340       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    692                       424    268      700       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           900 PM                                     
 LOWEST     74           500 PM                                     
 AVERAGE    87                                                       

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

                                                                     
THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        58      1972                    
 MINIMUM TEMPERATURE (F)   35        11      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2018......SUNRISE   746 AM PST   SUNSET   428 PM PST   
DECEMBER 19 2018......SUNRISE   747 AM PST   SUNSET   428 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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