AFOS product CLISTL
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CDUS43 KLSX 040733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
232 AM CDT MON SEP 4 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 3 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         88    402 PM 101    2011  85      3       83       
  MINIMUM         67    604 AM  45    1974  66      1       62       
  AVERAGE         78                        75      3       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.74 1991   0.10  -0.10     0.00    
  MONTH TO DATE    0.00                      0.31  -0.31     0.00    
  SINCE SEP 1      0.00                      0.31  -0.31     0.00    
  SINCE JAN 1     30.30                     28.06   2.24    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       13                        11      2        8       
  MONTH TO DATE   18                        33    -15       22       
  SINCE SEP 1     18                        33    -15       22       
  SINCE JAN 1   1620                      1432    188     1727       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           600 AM                                     
 LOWEST     30           400 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85       104      1954                    
 MINIMUM TEMPERATURE (F)   66        42      1974                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  4 2017.....SUNRISE   633 AM CDT   SUNSET   727 PM CDT   
SEPTEMBER  5 2017.....SUNRISE   634 AM CDT   SUNSET   725 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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