AFOS product CLIONT
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CDUS46 KSGX 010852
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
151 AM PDT WED JUN 1 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 31 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         83    310 PM  97    1977  84     -1       94       
  MINIMUM         56    449 AM  39    1959  55      1       60       
  AVERAGE         70                        70      0       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.03 1967   0.00   0.00     0.00    
  MONTH TO DATE    0.45                      0.19   0.26      T      
  SINCE JUL 1     27.59                     14.76  12.83     7.25    
  SINCE JAN 1     18.73                     11.23   7.50     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                         1     -1        0       
  MONTH TO DATE   27                        72    -45        5       
  SINCE MAR 1    323                       424   -101      162       
  SINCE JUL 1   1536                      1348    188     1382       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         6     -1       12       
  MONTH TO DATE  131                       125      6      175       
  SINCE MAR 1    150                       230    -80      324       
  SINCE JAN 1    151                       252   -101      325       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     7.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     40           200 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84       107      1970                    
 MINIMUM TEMPERATURE (F)   55        47      1953                    
                                                                     
SUNRISE AND SUNSET                                                   
JUNE  1 2005..........SUNRISE   540 AM PDT   SUNSET   757 PM PDT   
JUNE  2 2005..........SUNRISE   540 AM PDT   SUNSET   757 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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