AFOS product CLIONT
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CDUS46 KSGX 190853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT THU MAY 19 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 18 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         80    256 PM 100    1970  80      0       77       
  MINIMUM         55    429 AM  44    1977  53      2       60       
  AVERAGE         68                        67      1       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.00 2002   0.01  -0.01     0.00    
                                      1984                          
  MONTH TO DATE    0.45                      0.10   0.35     0.00    
  SINCE JUL 1     27.59                     14.67  12.92     7.25    
  SINCE JAN 1     18.73                     11.14   7.59     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                         2     -2        0       
  MONTH TO DATE   27                        51    -24        0       
  SINCE MAR 1    323                       403    -80      157       
  SINCE JUL 1   1536                      1327    209     1377       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         4     -1        4       
  MONTH TO DATE   35                        61    -26      148       
  SINCE MAR 1     54                       166   -112      297       
  SINCE JAN 1     55                       188   -133      298       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     5.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           200 AM                                     
 LOWEST     42           100 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        94      1978                    
 MINIMUM TEMPERATURE (F)   54        43      1962                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2005...........SUNRISE   546 AM PDT   SUNSET   748 PM PDT   
MAY 20 2005...........SUNRISE   545 AM PDT   SUNSET   749 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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