000 
CDUS46 KSGX 050853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT THU MAY 5 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 4 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         76    302 PM 102    1970  78     -2       95       
  MINIMUM         55    521 AM  42    1951  51      4       66       
  AVERAGE         66                        65      1       81      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.12 1959   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                        14    -12        0       
  SINCE MAR 1    298                       366    -68      157       
  SINCE JUL 1   1511                      1290    221     1377       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         3     -2       16       
  MONTH TO DATE    2                        12    -10       61       
  SINCE MAR 1     21                       117    -96      210       
  SINCE JAN 1     22                       139   -117      211       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     8.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     54           100 PM                                     
 AVERAGE    74                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        90      2004                    
                                             1953                    
 MINIMUM TEMPERATURE (F)   51        42      1954                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  5 2005...........SUNRISE   557 AM PDT   SUNSET   738 PM PDT   
MAY  6 2005...........SUNRISE   556 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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