AFOS product CLISTL
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CDUS43 KLSX 090728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT MON OCT 9 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 8 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    108 PM  92    1980  71      9       73       
                                      1939                          
  MINIMUM         54    542 AM  30    2000  51      3       46       
  AVERAGE         67                        61      6       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.66 2009   0.10  -0.10     0.00    
  MONTH TO DATE    0.33                      0.84  -0.51      T      
  SINCE SEP 1      0.60                      3.97  -3.37     4.95    
  SINCE JAN 1     30.90                     31.72  -0.82    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        5       
  MONTH TO DATE    0                        38    -38        8       
  SINCE SEP 1      7                        78    -71       12       
  SINCE JUL 1      7                        79    -72       12       
                                                                     
 COOLING                                                             
  YESTERDAY        2                         2      0        0       
  MONTH TO DATE   65                        19     46       40       
  SINCE SEP 1    327                       221    106      364       
  SINCE JAN 1   1929                      1620    309     2069       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     5.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     45           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        89      1938                    
                                             1879                    
 MINIMUM TEMPERATURE (F)   51        30      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  9 2017.......SUNRISE   705 AM CDT   SUNSET   632 PM CDT   
OCTOBER 10 2017.......SUNRISE   706 AM CDT   SUNSET   630 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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