AFOS product CLISTL
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CDUS43 KLSX 120727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
126 AM CST MON DEC 12 2016


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 11 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         49    304 PM  70    1979  43      6       63       
                                      1949                          
  MINIMUM         37    105 AM   2    1962  28      9       34       
                                      1917                          
  AVERAGE         43                        36      7       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.20 1949   0.09  -0.08     0.00    
  MONTH TO DATE    0.28                      1.10  -0.82     0.01    
  SINCE DEC 1      0.28                      1.10  -0.82     0.01    
  SINCE JAN 1     40.59                     39.22   1.37    49.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.3  1963   0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       1.1   -1.1       T      
  SINCE DEC 1      0.0                       1.1   -1.1       T      
  SINCE JUL 1      0.0                       1.8   -1.8       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        29     -7       16       
  MONTH TO DATE  324                       303     21      210       
  SINCE DEC 1    324                       303     21      210       
  SINCE JUL 1    815                      1129   -314      772       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   2162                      1646    516     1873       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    11.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           700 PM                                     
 LOWEST     33           600 AM                                     
 AVERAGE    58                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        72      2015                    
 MINIMUM TEMPERATURE (F)   28        -5      1962                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2016......SUNRISE   711 AM CST   SUNSET   440 PM CST   
DECEMBER 13 2016......SUNRISE   711 AM CST   SUNSET   441 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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