AFOS product CLISTL
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CDUS43 KLSX 090726
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
225 AM CDT TUE MAY 9 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 8 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         84    451 PM  90    1963  74     10       77       
                                      1930                          
  MINIMUM         54    437 AM  36    1976  55     -1       61       
  AVERAGE         69                        64      5       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.30 1961   0.15  -0.15      T      
  MONTH TO DATE    2.76                      1.15   1.61     0.05    
  SINCE MAR 1     17.37                      8.16   9.21     6.83    
  SINCE JAN 1     19.66                     12.80   6.86     8.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1923   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1      1.8                       2.7   -0.9      0.3     
  SINCE JUL 1      3.2                      17.7  -14.5     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   54                        31     23       28       
  SINCE MAR 1    661                       889   -228      599       
  SINCE JUL 1   3394                      4487  -1093     3429       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         3      1        4       
  MONTH TO DATE    4                        18    -14       14       
  SINCE MAR 1     77                        64     13       74       
  SINCE JAN 1     79                        64     15       74       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     5.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           300 AM                                     
 LOWEST     40           500 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        92      1934                    
                                             1895                    
 MINIMUM TEMPERATURE (F)   55        35      1966                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  9 2017...........SUNRISE   555 AM CDT   SUNSET   802 PM CDT   
MAY 10 2017...........SUNRISE   554 AM CDT   SUNSET   803 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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