AFOS product CLISTL
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CDUS43 KLSX 280729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
228 AM CDT FRI JUL 28 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 27 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         88    215 PM 106    1930  89     -1       93       
  MINIMUM         75    416 AM  51    1962  71      4       78       
  AVERAGE         82                        80      2       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.72          2.48 1895   0.13   0.59      T      
  MONTH TO DATE    1.38                      3.60  -2.22     8.31    
  SINCE JUN 1      4.10                      7.88  -3.78     9.60    
  SINCE JAN 1     27.00                     24.25   2.75    22.65    
                                                                     
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       17                        15      2       21       
  MONTH TO DATE  554                       405    149      456       
  SINCE JUN 1    963                       739    224      951       
  SINCE JAN 1   1215                       913    302     1145       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    88           600 AM                                     
 LOWEST     65           200 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       108      1930                    
 MINIMUM TEMPERATURE (F)   71        56      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 28 2017..........SUNRISE   600 AM CDT   SUNSET   816 PM CDT   
JULY 29 2017..........SUNRISE   600 AM CDT   SUNSET   815 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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