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CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON                             
341 AM PST SUN DEC 16 2018


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 15 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    750 PM  59    1959  45      7       40       
  MINIMUM         41    554 AM  22    2008  35      6       32       
  AVERAGE         47                        40      7       36      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          1.84 1982   0.18  -0.13      T      
  MONTH TO DATE    1.33                      2.80  -1.47     0.37    
  SINCE OCT 1      7.62                     11.43  -3.81    11.38    
  SINCE JAN 1     23.55                     33.34  -9.79    43.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    2016                           
                                      2012                          
                                      1987                          
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        25     -7       29       
  MONTH TO DATE  327                       358    -31      371       
  SINCE DEC 1    327                       358    -31      371       
  SINCE JUL 1   1148                      1327   -179     1296       
                                                                     
 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    20   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           200 AM                                     
 LOWEST     52           100 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        60      1974                    
 MINIMUM TEMPERATURE (F)   35         6      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2018......SUNRISE   745 AM PST   SUNSET   427 PM PST   
DECEMBER 17 2018......SUNRISE   745 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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