AFOS product CLISTL
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CDUS43 KLSX 180727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT WED OCT 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 17 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         70    338 PM  91    2016  68      2       91       
  MINIMUM         49    323 AM  29    1943  49      0       72       
  AVERAGE         60                        58      2       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.48 1963   0.11  -0.11     0.00    
  MONTH TO DATE    3.14                      1.82   1.32     0.06    
  SINCE SEP 1      3.41                      4.95  -1.54     5.01    
  SINCE JAN 1     33.71                     32.70   1.01    33.49    
                                                                     
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      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         8     -3        0       
  MONTH TO DATE   38                        98    -60       26       
  SINCE SEP 1     45                       138    -93       30       
  SINCE JUL 1     45                       139    -94       30       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1       17       
  MONTH TO DATE   86                        31     55       83       
  SINCE SEP 1    348                       233    115      407       
  SINCE JAN 1   1950                      1632    318     2112       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    66           300 AM                                     
 LOWEST     31           300 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        87      1953                    
 MINIMUM TEMPERATURE (F)   48        27      1976                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 18 2017.......SUNRISE   714 AM CDT   SUNSET   619 PM CDT   
OCTOBER 19 2017.......SUNRISE   715 AM CDT   SUNSET   617 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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