000 
CDUS46 KSGX 290909
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
107 AM PST THU DEC 29 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1951 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         62    343 PM  88    1956  68     -6       56       
  MINIMUM         46    518 AM  28    1979  44      2       51       
  AVERAGE         54                        56     -2       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.82 1977   0.07  -0.07     1.13    
  MONTH TO DATE    0.08                      1.39  -1.31     1.54    
  SINCE JUL 1      2.13                      3.29  -1.16     7.01    
  SINCE JAN 1     20.87                     14.53   6.34    12.86    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                        10      1       11       
  MONTH TO DATE  221                       246    -25      277       
  SINCE DEC 1    221                       246    -25      277       
  SINCE JUL 1    345                       431    -86      625       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    6                         7     -1        4       
  SINCE DEC 1      6                         7     -1        4       
  SINCE JAN 1   1559                      1901   -342     1751       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     4.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     64           400 PM                                     
 AVERAGE    82                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        86      1956                    
 MINIMUM TEMPERATURE (F)   44        28      1954                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 29 2005......SUNRISE   655 AM PST   SUNSET   450 PM PST   
DECEMBER 30 2005......SUNRISE   656 AM PST   SUNSET   451 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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