AFOS product CLISAN
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735 
CDUS46 KSGX 311222
CLISAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
421 AM PST MON DEC 31 2018


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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 30 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         62    254 PM  87    1980  65     -3       72       
  MINIMUM         46    700 AM  34    1895  48     -2       49       
  AVERAGE         54                        56     -2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.96 1951   0.06  -0.06     0.00    
  MONTH TO DATE    2.78                      1.47   1.31     0.07    
  SINCE OCT 1      4.16                      3.05   1.11     0.09    
  SINCE JAN 1      7.41                     10.28  -2.87     7.92    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                         9      2        4       
  MONTH TO DATE  137                       256   -119      134       
  SINCE DEC 1    137                       256   -119      134       
  SINCE JUL 1    155                       401   -246      172       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        3       
  SINCE DEC 1      0                         0      0        3       
  SINCE JAN 1   1261                       720    541     1192       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           700 PM                                     
 LOWEST     35          1000 AM                                     
 AVERAGE    51                                                       

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

                                                                     
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        80      1958                    
 MINIMUM TEMPERATURE (F)   48        35      1918                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2018......SUNRISE   651 AM PST   SUNSET   453 PM PST   
JANUARY  1 2019.......SUNRISE   651 AM PST   SUNSET   454 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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