000 
CDUS46 KSGX 190907
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
106 AM PST MON DEC 19 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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         61    340 PM  81    2003  68     -7       80       
                                      1979                          
  MINIMUM         47    635 AM  35    1955  44      3       42       
  AVERAGE         54                        56     -2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.51 1978   0.05  -0.05     0.00    
  MONTH TO DATE    0.07                      0.78  -0.71     0.41    
  SINCE JUL 1      2.12                      2.68  -0.56     5.88    
  SINCE JAN 1     20.86                     13.92   6.94    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       11                         9      2        4       
  MONTH TO DATE  174                       154     20      166       
  SINCE DEC 1    174                       154     20      166       
  SINCE JUL 1    298                       339    -41      514       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  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     9   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     2.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           300 AM                                     
 LOWEST     51           200 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        79      2004                    
                                             1960                    
 MINIMUM TEMPERATURE (F)   44        35      1951                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2005......SUNRISE   651 AM PST   SUNSET   444 PM PST   
DECEMBER 20 2005......SUNRISE   652 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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