000 
CDUS46 KSGX 220853
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
152 AM PDT SUN MAY 22 2005

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

...THE ONTARIO AIRPORT CLIMATE SUMMARY FOR MAY 21 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         95    250 PM 101    1967  81     14       70       
  MINIMUM         62   1051 PM  42    1981  54      8       57       
  AVERAGE         79                        67     12       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.32 1957   0.01  -0.01     0.00    
  MONTH TO DATE    0.45                      0.13   0.32     0.00    
  SINCE JUL 1     27.59                     14.70  12.89     7.25    
  SINCE JAN 1     18.73                     11.17   7.56     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        1       
  MONTH TO DATE   27                        57    -30        1       
  SINCE MAR 1    323                       409    -86      158       
  SINCE JUL 1   1536                      1333    203     1378       
                                                                     
 COOLING                                                             
  YESTERDAY       14                         4     10        0       
  MONTH TO DATE   71                        73     -2      150       
  SINCE MAR 1     90                       178    -88      299       
  SINCE JAN 1     91                       200   -109      300       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     5.0                                         
                                                                     
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    78           500 AM                                     
 LOWEST     13          1200 PM                                     
 AVERAGE    46                                                       
..........................................................
                                                                     
THE ONTARIO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81       100      1967                    
 MINIMUM TEMPERATURE (F)   54        46      1975                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2005...........SUNRISE   544 AM PDT   SUNSET   750 PM PDT   
MAY 23 2005...........SUNRISE   544 AM PDT   SUNSET   751 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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