AFOS product CLISTL
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CDUS43 KLSX 200745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
245 AM CDT MON MAY 20 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91    402 PM  94    1996  77     14       90       
  MINIMUM         71    539 AM  40    1894  58     13       66       
  AVERAGE         81                        68     13       78      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.14 1915   0.15  -0.15     0.00    
  MONTH TO DATE    2.96                      2.80   0.16     1.50    
  SINCE MAR 1     13.58                      9.81   3.77    12.13    
  SINCE JAN 1     19.97                     14.45   5.52    16.48    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2012   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1     14.3                       2.7   11.6       T      
  SINCE JUL 1     27.9                      17.7   10.2      6.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE   87                        60     27        4       
  SINCE MAR 1   1155                       918    237      389       
  SINCE JUL 1   4472                      4516    -44     3291       
                                                                     
 COOLING                                                             
  YESTERDAY       16                         5     11       13       
  MONTH TO DATE   92                        59     33      129       
  SINCE MAR 1    126                       105     21      266       
  SINCE JAN 1    126                       105     21      266       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED    13.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           300 AM                                     
 LOWEST     42           700 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        93      1902                    
 MINIMUM TEMPERATURE (F)   58        41      1981                    
                                             1894                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2013...........SUNRISE   545 AM CDT   SUNSET   811 PM CDT   
MAY 21 2013...........SUNRISE   544 AM CDT   SUNSET   812 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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