000 
CDUS46 KSGX 110854
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
153 AM PDT WED MAY 11 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 10 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         73    224 PM  98    1960  79     -6       79       
  MINIMUM         49    544 AM  36    1959  52     -3       56       
  AVERAGE         61                        66     -5       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.29 1977   0.01  -0.01     0.00    
  MONTH TO DATE    0.45                      0.02   0.43     0.00    
  SINCE JUL 1     27.59                     14.59  13.00     7.25    
  SINCE JAN 1     18.73                     11.06   7.67     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        4                         3      1        0       
  MONTH TO DATE   26                        32     -6        0       
  SINCE MAR 1    322                       384    -62      157       
  SINCE JUL 1   1535                      1308    227     1377       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        3       
  MONTH TO DATE    2                        30    -28      109       
  SINCE MAR 1     21                       135   -114      258       
  SINCE JAN 1     22                       157   -135      259       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     6.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           300 AM                                     
 LOWEST     27           200 PM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        99      1960                    
 MINIMUM TEMPERATURE (F)   52        40      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 11 2005...........SUNRISE   552 AM PDT   SUNSET   742 PM PDT   
MAY 12 2005...........SUNRISE   551 AM PDT   SUNSET   743 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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