AFOS product CLISTL
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CDUS43 KLSX 180745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
245 AM CDT TUE JUL 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 17 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         92    422 PM 103    2012  89      3       96       
  MINIMUM         74    510 AM  57    1976  71      3       76       
  AVERAGE         83                        80      3       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.94 1938   0.14  -0.14     0.00    
  MONTH TO DATE    0.27                      2.30  -2.03     5.05    
  SINCE JUN 1      2.99                      6.58  -3.59     6.34    
  SINCE JAN 1     25.89                     22.95   2.94    19.39    
                                                                     
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       18                        15      3       21       
  MONTH TO DATE  325                       255     70      250       
  SINCE JUN 1    734                       589    145      745       
  SINCE JAN 1    986                       763    223      939       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NE (50)       
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     47           400 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       112      1954                    
 MINIMUM TEMPERATURE (F)   71        57      1976                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 18 2017..........SUNRISE   551 AM CDT   SUNSET   824 PM CDT   
JULY 19 2017..........SUNRISE   552 AM CDT   SUNSET   823 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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