AFOS product CLISTL
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CDUS43 KLSX 180733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
233 AM CDT TUE APR 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 17 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         71    252 PM  91    1937  68      3       82       
  MINIMUM         54   1159 PM  22    1875  48      6       55       
  AVERAGE         63                        58      5       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.87 1887   0.13  -0.12     0.00    
  MONTH TO DATE    2.73                      2.04   0.69     1.57    
  SINCE MAR 1      6.97                      5.36   1.61     3.86    
  SINCE JAN 1      9.26                     10.00  -0.74     5.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.1  1983   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        2                         8     -6        0       
  MONTH TO DATE   86                       186   -100      189       
  SINCE MAR 1    553                       774   -221      562       
  SINCE JUL 1   3286                      4372  -1086     3392       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        4       
  MONTH TO DATE   43                        17     26        6       
  SINCE MAR 1     49                        24     25       14       
  SINCE JAN 1     51                        24     27       14       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     6.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78          1200 AM                                     
 LOWEST     37           400 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        93      2002                    
 MINIMUM TEMPERATURE (F)   48        29      1953                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 18 2017.........SUNRISE   621 AM CDT   SUNSET   742 PM CDT   
APRIL 19 2017.........SUNRISE   619 AM CDT   SUNSET   743 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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