AFOS product CLISTL
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CDUS43 KLSX 100731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT MON JUL 10 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 9 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         97    413 PM 103    1936  89      8       89       
  MINIMUM         72    436 AM  54    1963  71      1       71       
                                      1961                          
  AVERAGE         85                        80      5       80      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          4.04 1942   0.14  -0.14     0.00    
  MONTH TO DATE    0.08                      1.20  -1.12     2.56    
  SINCE JUN 1      2.80                      5.48  -2.68     3.85    
  SINCE JAN 1     25.70                     21.85   3.85    16.90    
                                                                     
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 JUN 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 JUN 1      0                         5     -5        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       20                        15      5       15       
  MONTH TO DATE  156                       135     21      108       
  SINCE JUN 1    565                       469     96      603       
  SINCE JAN 1    817                       643    174      797       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     8.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           400 AM                                     
 LOWEST     33           200 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       104      1966                    
                                             1901                    
                                             1881                    
 MINIMUM TEMPERATURE (F)   71        54      1963                    
                                             1961                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 10 2017..........SUNRISE   546 AM CDT   SUNSET   828 PM CDT   
JULY 11 2017..........SUNRISE   546 AM CDT   SUNSET   828 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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