AFOS product CLISTL
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CDUS43 KLSX 150733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
131 AM CST THU DEC 15 2016


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 14 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         31    241 PM  70    1975  42    -11       58       
  MINIMUM         16    515 AM  -2    1901  27    -11       45       
  AVERAGE         24                        35    -11       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.39 1971   0.09  -0.09     0.38    
  MONTH TO DATE    0.30                      1.36  -1.06     1.13    
  SINCE DEC 1      0.30                      1.36  -1.06     1.13    
  SINCE JAN 1     40.61                     39.48   1.13    50.63    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.6  1987   0.2   -0.2      0.0     
  MONTH TO DATE    T                         1.6   -1.6       T      
  SINCE DEC 1      T                         1.6   -1.6       T      
  SINCE JUL 1      T                         2.3   -2.3       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       41                        30     11       13       
  MONTH TO DATE  431                       393     38      227       
  SINCE DEC 1    431                       393     38      227       
  SINCE JUL 1    922                      1219   -297      789       
                                                                     
 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    NW (320)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     7.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           700 AM                                     
 LOWEST     33           900 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        76      1948                    
 MINIMUM TEMPERATURE (F)   27        -5      1901                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 15 2016......SUNRISE   713 AM CST   SUNSET   441 PM CST   
DECEMBER 16 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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