AFOS product CLISAN
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CDUS46 KSGX 011233
CLISAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
433 AM PST MON JAN 1 2018


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

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 31 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         64    346 PM  80    1958  65     -1       60       
  MINIMUM         50    246 AM  35    1918  48      2       52       
  AVERAGE         57                        56      1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1904   0.06  -0.06     0.68    
  MONTH TO DATE    0.07                      1.53  -1.46     4.22    
  SINCE OCT 1      0.09                      3.11  -3.02     4.90    
  SINCE JAN 1      7.92                     10.34  -2.42    10.23    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                         9     -1        9       
  MONTH TO DATE  142                       265   -123      185       
  SINCE DEC 1    142                       262   -120      185       
  SINCE JUL 1    180                       407   -227      235       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    3                         0      3        4       
  SINCE DEC 1      3                         0      3        4       
  SINCE JAN 1   1192                       720    472     1167       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (350)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     3.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     63          1200 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        78      1898                    
 MINIMUM TEMPERATURE (F)   48        35      1919                    
                                             1906                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2018.......SUNRISE   651 AM PST   SUNSET   454 PM PST   
JANUARY  2 2018.......SUNRISE   651 AM PST   SUNSET   455 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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