AFOS product CLIPDX
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
263 
CDUS46 KPQR 201142
CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON                             
342 AM PST THU DEC 20 2018


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 19 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         55    235 PM  59    1972  45     10       53       
                                      1961                          
                                      1953                          
  MINIMUM         48    745 AM  14    1964  35     13       41       
  AVERAGE         52                        40     12       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.72 1953   0.17  -0.17     0.50    
                                      1941                          
  MONTH TO DATE    2.96                      3.49  -0.53     0.93    
  SINCE OCT 1      9.25                     12.12  -2.87    11.94    
  SINCE JAN 1     25.18                     34.03  -8.85    43.64    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             8.0  1964                           
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        25    -12       18       
  MONTH TO DATE  385                       458    -73      448       
  SINCE DEC 1    385                       458    -73      448       
  SINCE JUL 1   1206                      1427   -221     1373       
                                                                     
 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    18   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     7.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     71          1200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        59      2014                    
                                             1974                    
                                             1972                    
 MINIMUM TEMPERATURE (F)   35        13      1967                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2018......SUNRISE   747 AM PST   SUNSET   429 PM PST   
DECEMBER 21 2018......SUNRISE   748 AM PST   SUNSET   429 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$