AFOS product CLISTL
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CDUS43 KLSX 190728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT WED SEP 19 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 18 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         94    348 PM  97    1925  79     15       85       
  MINIMUM         74    616 AM  42    1973  60     14       65       
  AVERAGE         84                        69     15       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.04 2001   0.10  -0.10     0.20    
  MONTH TO DATE    1.60                      1.85  -0.25     0.27    
  SINCE SEP 1      1.60                      1.85  -0.25     0.27    
  SINCE JAN 1     32.28                     29.60   2.68    30.57    
                                                                     
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                         7     -7        6       
  SINCE SEP 1      0                         7     -7        6       
  SINCE JUL 1      0                         8     -8        6       
                                                                     
 COOLING                                                             
  YESTERDAY       19                         6     13       10       
  MONTH TO DATE  231                       153     78      120       
  SINCE SEP 1    231                       153     78      120       
  SINCE JAN 1   1987                      1552    435     1722       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     36           100 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        96      1955                    
                                             1931                    
                                             1925                    
 MINIMUM TEMPERATURE (F)   59        42      1938                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2018.....SUNRISE   647 AM CDT   SUNSET   703 PM CDT   
SEPTEMBER 20 2018.....SUNRISE   647 AM CDT   SUNSET   702 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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