AFOS product CLISTL
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031 
CDUS43 KLSX 130727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT SUN AUG 13 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 12 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         81    308 PM 106    1881  89     -8       93       
  MINIMUM         61    523 AM  51    1967  70     -9       75       
  AVERAGE         71                        79     -8       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.10 1916   0.10  -0.10     0.73    
  MONTH TO DATE    0.14                      1.24  -1.10     2.33    
  SINCE JUN 1      4.24                      9.63  -5.39    11.99    
  SINCE JAN 1     27.14                     26.00   1.14    25.04    
                                                                     
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        6                        14     -8       19       
  MONTH TO DATE  124                       176    -52      208       
  SINCE JUN 1   1136                       977    159     1225       
  SINCE JAN 1   1388                      1151    237     1419       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     42           100 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       103      1936                    
 MINIMUM TEMPERATURE (F)   70        50      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 13 2017........SUNRISE   614 AM CDT   SUNSET   758 PM CDT   
AUGUST 14 2017........SUNRISE   615 AM CDT   SUNSET   757 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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