000 
CDUS46 KSGX 210908
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
106 AM PST WED DEC 21 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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         77    340 PM  92    1954  68      9       71       
  MINIMUM         47    540 AM  32    1978  44      3       43       
  AVERAGE         62                        56      6       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.69 2002   0.05  -0.05     0.00    
  MONTH TO DATE    0.07                      0.88  -0.81     0.41    
  SINCE JUL 1      2.12                      2.78  -0.66     5.88    
  SINCE JAN 1     20.86                     14.02   6.84    11.73    
                                                                     
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        3                         9     -6        8       
  MONTH TO DATE  185                       172     13      179       
  SINCE DEC 1    185                       172     13      179       
  SINCE JUL 1    309                       357    -48      527       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         7     -7        4       
  SINCE DEC 1      0                         7     -7        4       
  SINCE JAN 1   1553                      1901   -348     1751       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     3.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    71           400 AM                                     
 LOWEST     27           300 PM                                     
 AVERAGE    49                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        80      1972                    
 MINIMUM TEMPERATURE (F)   44        28      1968                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2005......SUNRISE   652 AM PST   SUNSET   445 PM PST   
DECEMBER 22 2005......SUNRISE   653 AM PST   SUNSET   446 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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