AFOS product CLISTL
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CDUS43 KLSX 140730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
128 AM CST WED DEC 14 2016


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 13 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         38    205 AM  73    1948  43     -5       68       
  MINIMUM         20   1159 PM   1    1903  27     -7       58       
  AVERAGE         29                        35     -6       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          2.40 1901   0.08  -0.06     0.74    
  MONTH TO DATE    0.30                      1.27  -0.97     0.75    
  SINCE DEC 1      0.30                      1.27  -0.97     0.75    
  SINCE JAN 1     40.61                     39.39   1.22    50.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             7.6  2000   0.1   -0.1      0.0     
  MONTH TO DATE    T                         1.4   -1.4       T      
  SINCE DEC 1      T                         1.4   -1.4       T      
  SINCE JUL 1      T                         2.1   -2.1       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        30      6        2       
  MONTH TO DATE  390                       363     27      214       
  SINCE DEC 1    390                       363     27      214       
  SINCE JUL 1    881                      1189   -308      776       
                                                                     
 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    18   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     8.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  LIGHT SNOW                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75           900 AM                                     
 LOWEST     50           700 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        70      1975                    
 MINIMUM TEMPERATURE (F)   27        -2      1901                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2016......SUNRISE   712 AM CST   SUNSET   441 PM CST   
DECEMBER 15 2016......SUNRISE   713 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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