AFOS product CLISTL
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CDUS43 KLSX 130728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT THU SEP 13 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    250 PM  98    1956  82     -1       79       
                                      1936                          
                                      1897                          
  MINIMUM         61    615 AM  44    1940  62     -1       59       
  AVERAGE         71                        72     -1       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.10 1949   0.11  -0.11     0.01    
  MONTH TO DATE    1.60                      1.24   0.36     0.02    
  SINCE SEP 1      1.60                      1.24   0.36     0.02    
  SINCE JAN 1     32.28                     28.99   3.29    30.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE SEP 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      T                         0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         1     -1        6       
  SINCE SEP 1      0                         1     -1        6       
  SINCE JUL 1      0                         2     -2        6       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         8     -2        4       
  MONTH TO DATE  140                       114     26       58       
  SINCE SEP 1    140                       114     26       58       
  SINCE JAN 1   1896                      1513    383     1660       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     45           400 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81       100      1939                    
 MINIMUM TEMPERATURE (F)   62        43      1975                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 13 2018.....SUNRISE   641 AM CDT   SUNSET   713 PM CDT   
SEPTEMBER 14 2018.....SUNRISE   642 AM CDT   SUNSET   711 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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