AFOS product CLISTL
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CDUS43 KLSX 130734
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
231 AM CDT THU APR 13 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 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         73    431 PM  89    1971  66      7       58       
  MINIMUM         45    547 AM  24    1940  46     -1       37       
                                      1939                          
  AVERAGE         59                        56      3       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.00 1909   0.11  -0.11     0.00    
  MONTH TO DATE    2.44                      1.43   1.01     1.57    
  SINCE MAR 1      6.68                      4.75   1.93     3.86    
  SINCE JAN 1      8.97                      9.39  -0.42     5.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.1  1957   0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.3   -0.3      0.0     
  SINCE MAR 1      1.8                       2.6   -0.8      0.3     
  SINCE JUL 1      3.2                      17.6  -14.4     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                        10     -4       17       
  MONTH TO DATE   84                       141    -57      169       
  SINCE MAR 1    551                       729   -178      542       
  SINCE JUL 1   3284                      4327  -1043     3372       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   14                        12      2        0       
  SINCE MAR 1     20                        19      1        8       
  SINCE JAN 1     22                        19      3        8       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     8.0                                         

                                                                     
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           700 AM                                     
 LOWEST     31           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        89      1941                    
 MINIMUM TEMPERATURE (F)   46        25      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 13 2017.........SUNRISE   628 AM CDT   SUNSET   737 PM CDT   
APRIL 14 2017.........SUNRISE   626 AM CDT   SUNSET   738 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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