000 
CDUS46 KSGX 170857
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
1246 AM PST SAT DEC 17 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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         58    305 PM  85    1958  68    -10       74       
  MINIMUM         42    339 AM  32    1982  44     -2       64       
  AVERAGE         50                        56     -6       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.39 2002   0.05  -0.05     0.00    
  MONTH TO DATE    0.07                      0.68  -0.61     0.41    
  SINCE JUL 1      2.12                      2.58  -0.46     5.88    
  SINCE JAN 1     20.86                     13.82   7.04    11.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                         9      6        0       
  MONTH TO DATE  151                       136     15      160       
  SINCE DEC 1    151                       136     15      160       
  SINCE JUL 1    275                       321    -46      508       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        4       
  MONTH TO DATE    0                         7     -7        4       
  SINCE DEC 1      0                         7     -7        4       
  SINCE JAN 1   1553                      1901   -348     1751       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           100 AM                                     
 LOWEST     55           300 PM                                     
 AVERAGE    76                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        86      1958                    
 MINIMUM TEMPERATURE (F)   44        31      1982                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2005......SUNRISE   650 AM PST   SUNSET   444 PM PST   
DECEMBER 18 2005......SUNRISE   651 AM PST   SUNSET   444 PM PST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$