000 
CDUS46 KSGX 130907
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
106 AM PST TUE DEC 13 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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         67    138 PM  86    1958  69     -2       71       
  MINIMUM         41    320 AM  33    1972  44     -3       47       
  AVERAGE         54                        56     -2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.10 1951   0.04  -0.04     0.00    
  MONTH TO DATE    0.07                      0.48  -0.41     0.41    
  SINCE JUL 1      2.12                      2.38  -0.26     5.88    
  SINCE JAN 1     20.86                     13.62   7.24    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        6       
  MONTH TO DATE  102                       100      2      146       
  SINCE DEC 1    102                       100      2      146       
  SINCE JUL 1    226                       285    -59      494       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         7     -7        0       
  SINCE DEC 1      0                         7     -7        0       
  SINCE JAN 1   1553                      1901   -348     1747       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     5.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1100 PM                                     
 LOWEST     24           100 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        85      1958                    
 MINIMUM TEMPERATURE (F)   44        31      1959                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2005......SUNRISE   647 AM PST   SUNSET   442 PM PST   
DECEMBER 14 2005......SUNRISE   648 AM PST   SUNSET   442 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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