000 
CDUS46 KSGX 310854
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
1252 AM PST MON JAN 31 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR JANUARY 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         64    340 PM  84    1971  69     -5       67       
  MINIMUM         39    618 AM  30    1979  46     -7       44       
  AVERAGE         52                        58     -6       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.83 1966   0.12  -0.12      T      
  MONTH TO DATE    8.15                      3.38   4.77     0.08    
  SINCE JUL 1     17.01                      6.91  10.10     1.48    
  SINCE JAN 1      8.15                      3.38   4.77     0.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                         8      5        9       
  MONTH TO DATE  307                       262     45      289       
  SINCE DEC 1    627                       535     92      628       
  SINCE JUL 1    975                       720    255      868       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                         8     -7        0       
  SINCE DEC 1      5                        15    -10        0       
  SINCE JAN 1      1                         8     -7        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     7.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1200 AM                                     
 LOWEST     24          1000 PM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        90      2003                    
 MINIMUM TEMPERATURE (F)   46        30      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 31 2005.......SUNRISE   648 AM PST   SUNSET   520 PM PST   
FEBRUARY  1 2005......SUNRISE   647 AM PST   SUNSET   521 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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