AFOS product CLIONT
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CDUS46 KSGX 310853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT TUE MAY 31 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 30 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    244 PM 100    1984  83     -3       94       
  MINIMUM         57    500 AM  40    1959  55      2       56       
  AVERAGE         69                        69      0       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2004   0.00   0.00      T      
  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                        71    -44        5       
  SINCE MAR 1    323                       423   -100      162       
  SINCE JUL 1   1536                      1347    189     1382       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         6     -2       10       
  MONTH TO DATE  126                       119      7      163       
  SINCE MAR 1    145                       224    -79      312       
  SINCE JAN 1    146                       246   -100      313       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     8.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           300 AM                                     
 LOWEST     39           200 PM                                     
 AVERAGE    63                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        97      1977                    
 MINIMUM TEMPERATURE (F)   55        39      1959                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2005...........SUNRISE   540 AM PDT   SUNSET   756 PM PDT   
JUNE  1 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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