AFOS product CLISTL
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CDUS43 KLSX 100731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT TUE OCT 10 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 9 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         80    312 PM  89    1938  71      9       78       
                                      1879                          
  MINIMUM         64    510 AM  30    2000  51     13       50       
  AVERAGE         72                        61     11       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.72R         1.45 1958   0.11   1.61     0.00    
  MONTH TO DATE    2.05                      0.95   1.10      T      
  SINCE SEP 1      2.32                      4.08  -1.76     4.95    
  SINCE JAN 1     32.62                     31.83   0.79    33.43    
                                                                     
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        0                         6     -6        1       
  MONTH TO DATE    0                        44    -44        9       
  SINCE SEP 1      7                        84    -77       13       
  SINCE JUL 1      7                        85    -78       13       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         2      5        0       
  MONTH TO DATE   72                        21     51       40       
  SINCE SEP 1    334                       223    111      364       
  SINCE JAN 1   1936                      1622    314     2069       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     69           300 PM                                     
 AVERAGE    85                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        92      1963                    
 MINIMUM TEMPERATURE (F)   51        29      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 10 2017.......SUNRISE   706 AM CDT   SUNSET   630 PM CDT   
OCTOBER 11 2017.......SUNRISE   707 AM CDT   SUNSET   629 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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