AFOS product CLISTL
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CDUS43 KLSX 060727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
226 AM CDT WED SEP 6 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 5 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         77    227 PM 103    1954  84     -7       95       
                                      1925                          
  MINIMUM         58   1159 PM  47    1974  65     -7       73       
  AVERAGE         68                        75     -7       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.89 1914   0.11  -0.11     0.00    
                                      1911                          
  MONTH TO DATE    0.01                      0.52  -0.51     0.00    
  SINCE SEP 1      0.01                      0.52  -0.51     0.00    
  SINCE JAN 1     30.31                     28.27   2.04    28.48    
                                                                     
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                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      0                         0      0        0       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY        3                        10     -7       19       
  MONTH TO DATE   37                        53    -16       51       
  SINCE SEP 1     37                        53    -16       51       
  SINCE JAN 1   1639                      1452    187     1756       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    10.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           500 AM                                     
 LOWEST     31           200 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84       102      1925                    
                                             1899                    
 MINIMUM TEMPERATURE (F)   65        48      1962                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  6 2017.....SUNRISE   635 AM CDT   SUNSET   724 PM CDT   
SEPTEMBER  7 2017.....SUNRISE   636 AM CDT   SUNSET   722 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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