000 
CDUS46 KSGX 310853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
1252 AM PST THU MAR 31 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MARCH 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         73    327 PM  91    1966  73      0       84       
  MINIMUM         45    505 AM  38    1980  48     -3       53       
  AVERAGE         59                        60     -1       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.63 1954   0.07  -0.07      T      
  MONTH TO DATE    1.55                      3.42  -1.87     0.52    
  SINCE JUL 1     26.38                     13.87  12.51     6.78    
  SINCE JAN 1     17.52                     10.34   7.18     5.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                         6      0        0       
  MONTH TO DATE  194                       197     -3       67       
  SINCE MAR 1    194                       197     -3       67       
  SINCE JUL 1   1407                      1121    286     1287       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        4       
  MONTH TO DATE    1                        29    -28       79       
  SINCE MAR 1      1                        29    -28       79       
  SINCE JAN 1      2                        51    -49       80       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NE (50)       
  AVERAGE WIND SPEED     6.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           500 AM                                     
 LOWEST     23           600 PM                                     
 AVERAGE    55                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        96      1966                    
 MINIMUM TEMPERATURE (F)   48        36      1982                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 31 2005.........SUNRISE   539 AM PST   SUNSET   611 PM PST   
APRIL  1 2005.........SUNRISE   537 AM PST   SUNSET   611 PM PST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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