AFOS product CLISTL
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CDUS43 KLSX 090731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT SAT SEP 9 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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         85    222 PM 101    1947  83      2       85       
  MINIMUM         54    552 AM  42    1986  64    -10       70       
  AVERAGE         70                        74     -4       78      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.87 1920   0.10  -0.10     0.32    
  MONTH TO DATE    0.01                      0.83  -0.82     0.51    
  SINCE SEP 1      0.01                      0.83  -0.82     0.51    
  SINCE JAN 1     30.31                     28.58   1.73    28.99    
                                                                     
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    6                         0      6        0       
  SINCE SEP 1      6                         0      6        0       
  SINCE JUL 1      6                         1      5        0       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         9     -4       13       
  MONTH TO DATE   42                        81    -39      109       
  SINCE SEP 1     42                        81    -39      109       
  SINCE JAN 1   1644                      1480    164     1814       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (70)       
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     3.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     31           300 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83       101      1925                    
 MINIMUM TEMPERATURE (F)   64        43      1883                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  9 2017.....SUNRISE   638 AM CDT   SUNSET   719 PM CDT   
SEPTEMBER 10 2017.....SUNRISE   639 AM CDT   SUNSET   717 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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