000 
CDUS46 KSGX 200854
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
153 AM PDT FRI MAY 20 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 19 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         90    225 PM  94    1978  81      9       77       
  MINIMUM         59    335 AM  43    1962  54      5       56       
  AVERAGE         75                        67      8       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.08 1972   0.01  -0.01     0.00    
  MONTH TO DATE    0.45                      0.11   0.34     0.00    
  SINCE JUL 1     27.59                     14.68  12.91     7.25    
  SINCE JAN 1     18.73                     11.15   7.58     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                        53    -26        0       
  SINCE MAR 1    323                       405    -82      157       
  SINCE JUL 1   1536                      1329    207     1377       
                                                                     
 COOLING                                                             
  YESTERDAY       10                         4      6        2       
  MONTH TO DATE   45                        65    -20      150       
  SINCE MAR 1     64                       170   -106      299       
  SINCE JAN 1     65                       192   -127      300       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    62           100 AM                                     
 LOWEST     27           100 PM                                     
 AVERAGE    45                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        97      2003                    
 MINIMUM TEMPERATURE (F)   54        43      1974                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2005...........SUNRISE   545 AM PDT   SUNSET   749 PM PDT   
MAY 21 2005...........SUNRISE   545 AM PDT   SUNSET   750 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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