AFOS product CLISTL
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CDUS43 KLSX 200733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
232 AM CDT THU APR 20 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 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         88R   521 PM  88    2011  69     19       77       
                                      1948                          
  MINIMUM         65    358 AM  26    1983  49     16       63       
  AVERAGE         77                        59     18       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.83 1874   0.12  -0.12     0.00    
  MONTH TO DATE    2.73                      2.28   0.45     1.57    
  SINCE MAR 1      6.97                      5.60   1.37     3.86    
  SINCE JAN 1      9.26                     10.24  -0.98     5.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    2013   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.3   -0.3      0.0     
  SINCE MAR 1      1.8                       2.6   -0.8      0.3     
  SINCE JUL 1      3.2                      17.6  -14.4     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         8     -8        0       
  MONTH TO DATE   86                       202   -116      189       
  SINCE MAR 1    553                       790   -237      562       
  SINCE JUL 1   3286                      4388  -1102     3392       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         2     10        5       
  MONTH TO DATE   56                        20     36       16       
  SINCE MAR 1     62                        27     35       24       
  SINCE JAN 1     64                        27     37       24       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     9.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           200 AM                                     
 LOWEST     34           400 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        89      1987                    
 MINIMUM TEMPERATURE (F)   49        28      1904                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 20 2017.........SUNRISE   618 AM CDT   SUNSET   744 PM CDT   
APRIL 21 2017.........SUNRISE   616 AM CDT   SUNSET   744 PM CDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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