000 
CDUS46 KSGX 210854
CLIRAL


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
1252 AM PST TUE DEC 21 2004

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

...THE RIVERSIDE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         72    232 PM  87    1939  68      4       65       
  MINIMUM         37    545 AM  27    1948  41     -4       44       
  AVERAGE         55                        55      0       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.36 1938   0.04  -0.04      T      
  MONTH TO DATE    0.33                      0.62  -0.29     0.04    
  SINCE JUL 1      4.90                      2.11   2.79     1.01    
  SINCE JAN 1      9.87                      9.73   0.14     9.89    
                                                                     
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       10                        10      0       10       
  MONTH TO DATE  204                       191     13      212       
  SINCE DEC 1    204                       191     13      212       
  SINCE JUL 1    591                       402    189      471       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         5     -5        0       
  SINCE DEC 1      0                         5     -5        0       
  SINCE JAN 1   1613                      1863   -250     1806       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     3.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1000 PM                                     
 LOWEST     22           200 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE RIVERSIDE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        82      1994                    
 MINIMUM TEMPERATURE (F)   41        25      1968                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2004......SUNRISE   651 AM PST   SUNSET   445 PM PST   
DECEMBER 22 2004......SUNRISE   652 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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