AFOS product CLISTL
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CDUS43 KLSX 160735
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
235 AM CDT MON OCT 16 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 15 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         75    113 AM  90    1897  69      6       82       
  MINIMUM         47   1159 PM  30    1937  49     -2       62       
  AVERAGE         61                        59      2       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.61          1.29 1914   0.11   0.50      T      
  MONTH TO DATE    3.14                      1.61   1.53     0.06    
  SINCE SEP 1      3.41                      4.74  -1.33     5.01    
  SINCE JAN 1     33.71                     32.49   1.22    33.49    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1954   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      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                         7     -3        0       
  MONTH TO DATE   23                        83    -60       26       
  SINCE SEP 1     30                       123    -93       30       
  SINCE JUL 1     30                       124    -94       30       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        7       
  MONTH TO DATE   86                        29     57       52       
  SINCE SEP 1    348                       231    117      376       
  SINCE JAN 1   1950                      1630    320     2081       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     52           300 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        89      1950                    
 MINIMUM TEMPERATURE (F)   49        32      1943                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 16 2017.......SUNRISE   712 AM CDT   SUNSET   621 PM CDT   
OCTOBER 17 2017.......SUNRISE   713 AM CDT   SUNSET   620 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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