AFOS product CLIONT
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CDUS46 KSGX 170853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
1252 AM PST THU MAR 17 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MARCH 16 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         74    325 PM  92    2004  71      3       92       
                                      1972                          
  MINIMUM         43    341 AM  36    1954  47     -4       50       
  AVERAGE         59                        59      0       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.83 1952   0.12  -0.12     0.00    
  MONTH TO DATE    0.46                      2.05  -1.59     0.52    
  SINCE JUL 1     25.29                     12.50  12.79     6.78    
  SINCE JAN 1     16.43                      8.97   7.46     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                         7     -1        0       
  MONTH TO DATE   78                       112    -34       53       
  SINCE MAR 1     78                       112    -34       53       
  SINCE JUL 1   1291                      1036    255     1273       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        6       
  MONTH TO DATE    1                        14    -13       38       
  SINCE MAR 1      1                        14    -13       38       
  SINCE JAN 1      2                        36    -34       39       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    58           500 AM                                     
 LOWEST     16           100 PM                                     
 AVERAGE    37                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        97      1978                    
 MINIMUM TEMPERATURE (F)   47        34      1952                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 17 2005.........SUNRISE   558 AM PST   SUNSET   600 PM PST   
MARCH 18 2005.........SUNRISE   557 AM PST   SUNSET   601 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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