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CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
242 AM CDT SUN MAY 12 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 11 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         71   1101 AM  91    2011  75     -4       76       
                                      1914                          
  MINIMUM         51   1159 PM  35    1907  56     -5       54       
  AVERAGE         61                        65     -4       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.65 1918   0.16  -0.16     0.00    
  MONTH TO DATE    2.69                      1.59   1.10     1.50    
  SINCE MAR 1     13.31                      8.60   4.71    12.13    
  SINCE JAN 1     19.70                     13.24   6.46    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        4                         3      1        0       
  MONTH TO DATE   69                        40     29        4       
  SINCE MAR 1   1137                       898    239      389       
  SINCE JUL 1   4454                      4496    -42     3291       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   22                        27     -5       89       
  SINCE MAR 1     56                        73    -17      226       
  SINCE JAN 1     56                        73    -17      226       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           400 AM                                     
 LOWEST     30           500 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        92      1956                    
 MINIMUM TEMPERATURE (F)   56        39      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 12 2013...........SUNRISE   552 AM CDT   SUNSET   804 PM CDT   
MAY 13 2013...........SUNRISE   551 AM CDT   SUNSET   805 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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