AFOS product CLISTL
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CDUS43 KLSX 130741
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
238 AM CDT MON MAY 13 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 12 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         63    429 PM  92    1956  75    -12       80       
  MINIMUM         42    437 AM  39    1960  56    -14       59       
  AVERAGE         53                        66    -13       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.18 2002   0.15  -0.15     0.00    
  MONTH TO DATE    2.69                      1.74   0.95     1.50    
  SINCE MAR 1     13.31                      8.75   4.56    12.13    
  SINCE JAN 1     19.70                     13.39   6.31    16.48    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2011   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       12                         3      9        0       
  MONTH TO DATE   81                        43     38        4       
  SINCE MAR 1   1149                       901    248      389       
  SINCE JUL 1   4466                      4499    -33     3291       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        5       
  MONTH TO DATE   22                        30     -8       94       
  SINCE MAR 1     56                        76    -20      231       
  SINCE JAN 1     56                        76    -20      231       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           400 AM                                     
 LOWEST     27          1200 PM                                     
 AVERAGE    47                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      1915                    
 MINIMUM TEMPERATURE (F)   56        40      1971                    
                                             1938                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 13 2013...........SUNRISE   551 AM CDT   SUNSET   805 PM CDT   
MAY 14 2013...........SUNRISE   550 AM CDT   SUNSET   806 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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