000 
CDUS46 KSGX 180852
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
151 AM PDT THU AUG 18 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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         86    411 PM 105    1984  95     -9       91       
  MINIMUM         60    432 AM  51    1978  63     -3       62       
  AVERAGE         73                        79     -6       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.82 1977   0.00   0.00     0.00    
  MONTH TO DATE    0.30                      0.00   0.30     0.00    
  SINCE JUL 1      0.30                      0.00   0.30      T      
  SINCE JAN 1     19.04                     11.24   7.80     5.85    
                                                                     
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        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      3                        16    -13        3       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY        8                        14     -6       12       
  MONTH TO DATE  211                       241    -30      226       
  SINCE JUN 1    823                       902    -79      832       
  SINCE JAN 1    974                      1154   -180     1157       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     7.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           100 AM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    58                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   95       104      1967                    
 MINIMUM TEMPERATURE (F)   63        50      1978                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 18 2005........SUNRISE   614 AM PDT   SUNSET   734 PM PDT   
AUGUST 19 2005........SUNRISE   615 AM PDT   SUNSET   732 PM PDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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