710 
CDUS43 KLSX 180852
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
351 AM CDT SUN APR 18 2004

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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 17 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         89    404 PM  91    1937  67     22       58       
  MINIMUM         65    429 AM  22    1875  47     18       47       
  AVERAGE         77                        57     20       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.87 1887   0.12  -0.12     0.12    
  MONTH TO DATE    0.18                      2.04  -1.86     2.08    
  SINCE MAR 1      4.54                      5.64  -1.10     4.88    
  SINCE JAN 1      9.36                     10.06  -0.70     7.84    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.1  1983   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                         9     -9       12       
  MONTH TO DATE  175                       199    -24      169       
  SINCE MAR 1    641                       812   -171      705       
  SINCE JUL 1   4033                      4603   -570     4594       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         1     11        0       
  MONTH TO DATE   21                        16      5       38       
  SINCE MAR 1     25                        23      2       39       
  SINCE JAN 1     25                        23      2       39       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED    10.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           300 AM                                     
 LOWEST     45           600 PM                                     
 AVERAGE    66                                                       
..........................................................
                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        93      2002                    
 MINIMUM TEMPERATURE (F)   47        29      1953                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 18 2004.........SUNRISE   620 AM CDT   SUNSET   742 PM CDT   
APRIL 19 2004.........SUNRISE   619 AM CDT   SUNSET   743 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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