000 
CDUS46 KSGX 210853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT THU APR 21 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR APRIL 20 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         72    340 PM  91    1958  77     -5       73       
  MINIMUM         47    524 AM  30    1955  49     -2       48       
  AVERAGE         60                        63     -3       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.33 1983   0.01  -0.01     0.00    
  MONTH TO DATE    0.02                      0.62  -0.60     0.47    
  SINCE JUL 1     26.40                     14.56  11.84     7.25    
  SINCE JAN 1     17.54                     11.03   6.51     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        5                         5      0        4       
  MONTH TO DATE   64                       108    -44       84       
  SINCE MAR 1    258                       311    -53      153       
  SINCE JUL 1   1471                      1235    236     1373       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   16                        44    -28        7       
  SINCE MAR 1     17                        75    -58       86       
  SINCE JAN 1     18                        97    -79       87       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    20   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                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     31           300 PM                                     
 AVERAGE    62                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      1958                    
 MINIMUM TEMPERATURE (F)   49        37      1963                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 21 2005.........SUNRISE   612 AM PDT   SUNSET   727 PM PDT   
APRIL 22 2005.........SUNRISE   611 AM PDT   SUNSET   728 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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