AFOS product CLISTL
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CDUS43 KLSX 130729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
229 AM CDT FRI APR 13 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 12 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         85    346 PM  89    1971  66     19       73       
  MINIMUM         60    559 AM  24    1940  46     14       45       
                                      1939                          
  AVERAGE         73                        56     17       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.00 1909   0.11  -0.11     0.00    
  MONTH TO DATE    0.93                      1.43  -0.50     2.44    
  SINCE MAR 1      8.05                      4.75   3.30     6.68    
  SINCE JAN 1     14.53                      9.39   5.14     8.97    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.1  1957   0.1   -0.1      0.0     
  MONTH TO DATE    0.6                       0.3    0.3      0.0     
  SINCE MAR 1      1.6                       2.6   -1.0      1.8     
  SINCE JUL 1      7.1                      17.6  -10.5      3.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        10    -10        6       
  MONTH TO DATE  255                       141    114       84       
  SINCE MAR 1    929                       729    200      551       
  SINCE JUL 1   4400                      4327     73     3284       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         1      7        0       
  MONTH TO DATE    8                        12     -4       14       
  SINCE MAR 1      8                        19    -11       20       
  SINCE JAN 1      8                        19    -11       22       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED    14.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    49           500 AM                                     
 LOWEST     23           600 PM                                     
 AVERAGE    36                                                       

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

                                                                     
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 2018.........SUNRISE   628 AM CDT   SUNSET   737 PM CDT   
APRIL 14 2018.........SUNRISE   627 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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