AFOS product CLISAN
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CDUS46 KSGX 171232
CLISAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
432 AM PST SUN DEC 17 2017


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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         65    156 PM  84    1980  64      1       62       
  MINIMUM         53    357 AM  38    1892  48      5       55       
                                      1884                          
  AVERAGE         59                        56      3       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.36 1987   0.05  -0.05     1.20    
  MONTH TO DATE    T                         0.71  -0.71     1.32    
  SINCE OCT 1      0.02                      2.29  -2.27     2.00    
  SINCE JAN 1      7.85                      9.52  -1.67     7.33    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                         9     -3        6       
  MONTH TO DATE   38                       130    -92       86       
  SINCE DEC 1     38                       130    -92       86       
  SINCE JUL 1     76                       275   -199      136       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    3                         0      3        0       
  SINCE DEC 1      3                         0      3        0       
  SINCE JAN 1   1192                       720    472     1163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84          1000 AM                                     
 LOWEST     28           500 AM                                     
 AVERAGE    56                                                       

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

                                                                     
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        82      1979                    
 MINIMUM TEMPERATURE (F)   48        38      1916                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2017......SUNRISE   645 AM PST   SUNSET   445 PM PST   
DECEMBER 18 2017......SUNRISE   645 AM PST   SUNSET   445 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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