AFOS product CLISTL
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CDUS43 KLSX 210730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
128 AM CST TUE FEB 21 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR FEBRUARY 20 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         79R   203 PM  78    2016  47     32       78       
  MINIMUM         52    415 AM  -4    1885  29     23       48       
  AVERAGE         66                        38     28       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.75 1882   0.07  -0.07     0.02    
  MONTH TO DATE    0.04                      1.59  -1.55     0.49    
  SINCE DEC 1      2.97                      6.83  -3.86    13.03    
  SINCE JAN 1      1.84                      3.99  -2.15     1.29    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           9.5  1912   0.2   -0.2      0.0     
  MONTH TO DATE    0.2                       3.2   -3.0      3.7     
  SINCE DEC 1      1.4                      13.2  -11.8      7.0     
  SINCE JUL 1      1.4                      13.9  -12.5      7.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        27    -27        2       
  MONTH TO DATE  386                       598   -212      537       
  SINCE DEC 1   2147                      2566   -419     2093       
  SINCE JUL 1   2638                      3392   -754     2655       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         0      1        0       
  MONTH TO DATE    1                         0      1        0       
  SINCE DEC 1      1                         0      1        0       
  SINCE JAN 1      1                         0      1        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    12.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           200 AM                                     
 LOWEST     39           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        79      1935                    
 MINIMUM TEMPERATURE (F)   29        -1      1885                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2017......SUNRISE   644 AM CST   SUNSET   546 PM CST   
FEBRUARY 22 2017......SUNRISE   643 AM CST   SUNSET   547 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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