AFOS product CLISTL
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CDUS43 KLSX 110728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT TUE JUL 11 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 10 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        100    217 PM 104    1966  89     11       93       
                                      1901                          
                                      1881                          
  MINIMUM         79    542 AM  54    1963  71      8       73       
                                      1961                          
  AVERAGE         90                        80     10       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.37 1982   0.14  -0.14     1.91    
  MONTH TO DATE    0.08                      1.34  -1.26     4.47    
  SINCE JUN 1      2.80                      5.62  -2.82     5.76    
  SINCE JAN 1     25.70                     21.99   3.71    18.81    
                                                                     
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       25                        15     10       18       
  MONTH TO DATE  181                       150     31      126       
  SINCE JUN 1    590                       484    106      621       
  SINCE JAN 1    842                       658    184      815       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    13.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           500 AM                                     
 LOWEST     38           100 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       106      1966                    
                                             1930                    
 MINIMUM TEMPERATURE (F)   71        55      1963                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 11 2017..........SUNRISE   546 AM CDT   SUNSET   828 PM CDT   
JULY 12 2017..........SUNRISE   547 AM CDT   SUNSET   827 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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