AFOS product CLIONT
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CDUS46 KSGX 120853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT THU MAY 12 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 11 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         78    128 PM  99    1960  79     -1       75       
  MINIMUM         50    512 AM  40    1983  52     -2       56       
  AVERAGE         64                        66     -2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.02 1958   0.01  -0.01     0.00    
  MONTH TO DATE    0.45                      0.03   0.42     0.00    
  SINCE JUL 1     27.59                     14.60  12.99     7.25    
  SINCE JAN 1     18.73                     11.07   7.66     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        1                         3     -2        0       
  MONTH TO DATE   27                        35     -8        0       
  SINCE MAR 1    323                       387    -64      157       
  SINCE JUL 1   1536                      1311    225     1377       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        1       
  MONTH TO DATE    2                        33    -31      110       
  SINCE MAR 1     21                       138   -117      259       
  SINCE JAN 1     22                       160   -138      260       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     6.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           100 AM                                     
 LOWEST     26           200 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79       102      1976                    
 MINIMUM TEMPERATURE (F)   53        40      1982                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 12 2005...........SUNRISE   551 AM PDT   SUNSET   743 PM PDT   
MAY 13 2005...........SUNRISE   550 AM PDT   SUNSET   744 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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