AFOS product CLISTL
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CDUS43 KLSX 170733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
233 AM CDT WED MAY 17 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 16 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         90    314 PM  93    2001  76     14       59       
  MINIMUM         71    515 AM  39    1875  57     14       50       
  AVERAGE         81                        67     14       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          5.59 1995   0.15  -0.15     0.37    
  MONTH TO DATE    3.18                      2.35   0.83     2.60    
  SINCE MAR 1     17.79                      9.36   8.43     9.38    
  SINCE JAN 1     20.08                     14.00   6.08    10.98    
                                                                     
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 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                         2     -2       10       
  MONTH TO DATE   54                        54      0       59       
  SINCE MAR 1    661                       912   -251      630       
  SINCE JUL 1   3394                      4510  -1116     3460       
                                                                     
 COOLING                                                             
  YESTERDAY       16                         4     12        0       
  MONTH TO DATE   74                        46     28       29       
  SINCE MAR 1    147                        92     55       89       
  SINCE JAN 1    149                        92     57       89       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    13.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    66           600 AM                                     
 LOWEST     32           200 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      1996                    
 MINIMUM TEMPERATURE (F)   58        40      1973                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2017...........SUNRISE   547 AM CDT   SUNSET   809 PM CDT   
MAY 18 2017...........SUNRISE   547 AM CDT   SUNSET   810 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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