AFOS product CLISTL
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CDUS43 KLSX 170733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
232 AM CDT MON APR 17 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 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         77   1227 PM  90    2002  68      9       78       
  MINIMUM         60    945 PM  25    1875  47     13       53       
  AVERAGE         69                        58     11       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.24          1.36 1922   0.12   0.12     0.00    
  MONTH TO DATE    2.72                      1.91   0.81     1.57    
  SINCE MAR 1      6.96                      5.23   1.73     3.86    
  SINCE JAN 1      9.25                      9.87  -0.62     5.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    2001   0.0    0.0      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        0                         9     -9        0       
  MONTH TO DATE   84                       178    -94      189       
  SINCE MAR 1    551                       766   -215      562       
  SINCE JUL 1   3284                      4364  -1080     3392       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3        1       
  MONTH TO DATE   43                        16     27        2       
  SINCE MAR 1     49                        23     26       10       
  SINCE JAN 1     51                        23     28       10       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           900 PM                                     
 LOWEST     50          1200 AM                                     
 AVERAGE    64                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        91      1937                    
 MINIMUM TEMPERATURE (F)   48        22      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 17 2017.........SUNRISE   622 AM CDT   SUNSET   741 PM CDT   
APRIL 18 2017.........SUNRISE   621 AM CDT   SUNSET   742 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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