AFOS product CLISTL
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CDUS43 KLSX 050727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
226 AM CDT TUE SEP 5 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 4 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         94    330 PM 104    1954  85      9       88       
  MINIMUM         68   1159 PM  42    1974  66      2       62       
  AVERAGE         81                        75      6       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          3.20 1885   0.10  -0.09     0.00    
  MONTH TO DATE    0.01                      0.41  -0.40     0.00    
  SINCE SEP 1      0.01                      0.41  -0.40     0.00    
  SINCE JAN 1     30.31                     28.16   2.15    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       16                        10      6       10       
  MONTH TO DATE   34                        43     -9       32       
  SINCE SEP 1     34                        43     -9       32       
  SINCE JAN 1   1636                      1442    194     1737       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    10.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87          1000 PM                                     
 LOWEST     39           400 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84       103      1954                    
                                             1925                    
 MINIMUM TEMPERATURE (F)   65        47      1974                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  5 2017.....SUNRISE   634 AM CDT   SUNSET   725 PM CDT   
SEPTEMBER  6 2017.....SUNRISE   635 AM CDT   SUNSET   724 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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