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CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON                             
342 AM PST MON DEC 17 2018


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 16 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    734 PM  60    1974  45      7       45       
  MINIMUM         45    303 AM   6    1964  35     10       37       
  AVERAGE         49                        40      9       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.38          1.19 1994   0.17   0.21     0.02    
  MONTH TO DATE    1.71                      2.97  -1.26     0.39    
  SINCE OCT 1      8.00                     11.60  -3.60    11.40    
  SINCE JAN 1     23.93                     33.51  -9.58    43.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.5  1987                           
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                        25     -9       24       
  MONTH TO DATE  343                       383    -40      395       
  SINCE DEC 1    343                       383    -40      395       
  SINCE JUL 1   1164                      1352   -188     1320       
                                                                     
 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    23   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 PM                                     
 LOWEST     71           900 AM                                     
 AVERAGE    82                                                       

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

                                                                     
THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        58      1999                    
 MINIMUM TEMPERATURE (F)   35         7      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2018......SUNRISE   745 AM PST   SUNSET   428 PM PST   
DECEMBER 18 2018......SUNRISE   746 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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