AFOS product CLISTL
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CDUS43 KLSX 200852
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
251 AM CST MON DEC 20 2004

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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 19 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         30   1218 AM  68    1976  41    -11       37       
  MINIMUM         14    739 PM  -7    1983  25    -11       27       
  AVERAGE         22                        33    -11       32      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.49 1895   0.09  -0.09      T      
  MONTH TO DATE    1.65                      1.90  -0.25     1.12    
  SINCE DEC 1      1.65                      1.90  -0.25     1.12    
  SINCE JAN 1     42.14                     37.79   4.35    44.84    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          12.0  1973   0.2   -0.2       T      
  MONTH TO DATE    T                         2.5   -2.5      3.3     
  SINCE DEC 1      T                         2.5   -2.5      3.3     
  SINCE JUL 1      1.8                       4.0   -2.2      3.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       43                        32     11       33       
  MONTH TO DATE  496                       549    -53      525       
  SINCE DEC 1    496                       549    -53      525       
  SINCE JUL 1   1145                      1425   -280     1221       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1524                      1561    -37     1487       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    11.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59           500 AM                                     
 LOWEST     39          1200 PM                                     
 AVERAGE    49                                                       
..........................................................
                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        68      1978                    
 MINIMUM TEMPERATURE (F)   24       -10      1901                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2004......SUNRISE   716 AM CST   SUNSET   443 PM CST   
DECEMBER 21 2004......SUNRISE   716 AM CST   SUNSET   444 PM CST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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