703 
CDUS43 KLSX 210852
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
351 AM CDT WED APR 21 2004

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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 20 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1870 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         82    307 PM  89    1987  68     14       66       
  MINIMUM         60   1159 PM  28    1904  48     12       56       
  AVERAGE         71                        58     13       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          1.84 1966   0.12  -0.06     0.38    
  MONTH TO DATE    0.24                      2.40  -2.16     2.49    
  SINCE MAR 1      4.60                      6.00  -1.40     5.29    
  SINCE JAN 1      9.42                     10.42  -1.00     8.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.5  1904   T      0.0      0.0     
  MONTH TO DATE    0.0                       0.6   -0.6       T      
  SINCE MAR 1      T                         3.9   -3.9      0.1     
  SINCE JUL 1      7.4                      22.5  -15.1     29.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         8     -8        4       
  MONTH TO DATE  175                       225    -50      181       
  SINCE MAR 1    641                       838   -197      717       
  SINCE JUL 1   4033                      4629   -596     4606       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         1      5        0       
  MONTH TO DATE   49                        19     30       38       
  SINCE MAR 1     53                        26     27       39       
  SINCE JAN 1     53                        26     27       39       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     40           300 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        89      1965                    
 MINIMUM TEMPERATURE (F)   48        32      1904                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 21 2004.........SUNRISE   616 AM CDT   SUNSET   745 PM CDT   
APRIL 22 2004.........SUNRISE   615 AM CDT   SUNSET   746 PM CDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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