000 
CDUS46 KSGX 040853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
151 AM PDT WED MAY 4 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 3 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         77    242 PM 103    2004  78     -1      103       
                                      1970                          
  MINIMUM         54    221 AM  35    1959  51      3       66       
  AVERAGE         66                        65      1       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.42 2003   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.00   0.00     0.00    
  SINCE JUL 1     27.14                     14.57  12.57     7.25    
  SINCE JAN 1     18.28                     11.04   7.24     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                         3     -3        0       
  MONTH TO DATE    2                        11     -9        0       
  SINCE MAR 1    298                       363    -65      157       
  SINCE JUL 1   1511                      1287    224     1377       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         3     -2       20       
  MONTH TO DATE    1                         9     -8       45       
  SINCE MAR 1     20                       114    -94      194       
  SINCE JAN 1     21                       136   -115      195       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    70                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       102      1970                    
 MINIMUM TEMPERATURE (F)   51        42      1951                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  4 2005...........SUNRISE   558 AM PDT   SUNSET   737 PM PDT   
MAY  5 2005...........SUNRISE   557 AM PDT   SUNSET   738 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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