AFOS product CLISTL
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CDUS43 KLSX 180745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
145 AM CST WED JAN 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         54   1206 AM  72    1894  40     14       27       
  MINIMUM         41   1159 PM -14    1930  23     18        8       
  AVERAGE         48                        32     16       18      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.02 2004   0.08  -0.08     0.01    
  MONTH TO DATE    1.43                      1.36   0.07     0.62    
  SINCE DEC 1      2.56                      4.20  -1.64    12.36    
  SINCE JAN 1      1.43                      1.36   0.07     0.62    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.3  1960   0.2   -0.2      0.5     
  MONTH TO DATE    1.0                       3.1   -2.1      1.2     
  SINCE DEC 1      1.2                       7.5   -6.3      1.2     
  SINCE JUL 1      1.2                       8.2   -7.0      1.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        33    -16       47       
  MONTH TO DATE  526                       569    -43      526       
  SINCE DEC 1   1457                      1508    -51     1123       
  SINCE JUL 1   1948                      2334   -386     1685       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    13.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           500 PM                                     
 LOWEST     71           400 AM                                     
 AVERAGE    77                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   40        72      1880                    
 MINIMUM TEMPERATURE (F)   24       -19      1930                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 18 2017.......SUNRISE   717 AM CST   SUNSET   508 PM CST   
JANUARY 19 2017.......SUNRISE   716 AM CST   SUNSET   509 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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