AFOS product CLISTL
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CDUS43 KLSX 200739
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
133 AM CST MON FEB 20 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR FEBRUARY 19 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         72    301 PM  77    2016  46     26       77       
  MINIMUM         41    430 AM  -3    1936  29     12       49       
  AVERAGE         57                        37     20       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.96 1882   0.08  -0.08     0.00    
  MONTH TO DATE    0.04                      1.52  -1.48     0.47    
  SINCE DEC 1      2.97                      6.76  -3.79    13.01    
  SINCE JAN 1      1.84                      3.92  -2.08     1.27    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           9.3  1911   0.1   -0.1      0.0     
  MONTH TO DATE    0.2                       3.0   -2.8      3.7     
  SINCE DEC 1      1.4                      13.0  -11.6      7.0     
  SINCE JUL 1      1.4                      13.7  -12.3      7.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                        28    -20        2       
  MONTH TO DATE  386                       571   -185      535       
  SINCE DEC 1   2147                      2539   -392     2091       
  SINCE JUL 1   2638                      3365   -727     2653       
                                                                     
 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    17   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           600 AM                                     
 LOWEST     47           400 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        78      2016                    
 MINIMUM TEMPERATURE (F)   29        -4      1885                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 20 2017......SUNRISE   646 AM CST   SUNSET   545 PM CST   
FEBRUARY 21 2017......SUNRISE   644 AM CST   SUNSET   546 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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