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CDUS43 KLSX 210755
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
253 AM CDT TUE MAY 21 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 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         83    214 PM  93    1902  77      6       91       
  MINIMUM         63    917 PM  41    1981  58      5       69       
                                      1894                          
  AVERAGE         73                        68      5       80      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.22          1.66 1947   0.15   1.07     0.10    
  MONTH TO DATE    4.18                      2.95   1.23     1.60    
  SINCE MAR 1     14.80                      9.96   4.84    12.23    
  SINCE JAN 1     21.19                     14.60   6.59    16.58    
                                                                     
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                        62     25        4       
  SINCE MAR 1   1155                       920    235      389       
  SINCE JUL 1   4472                      4518    -46     3291       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         5      3       15       
  MONTH TO DATE  100                        64     36      144       
  SINCE MAR 1    134                       110     24      281       
  SINCE JAN 1    134                       110     24      281       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    38   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    12.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           800 AM                                     
 LOWEST     54          1100 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        93      1941                    
 MINIMUM TEMPERATURE (F)   59        38      1883                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 21 2013...........SUNRISE   544 AM CDT   SUNSET   812 PM CDT   
MAY 22 2013...........SUNRISE   544 AM CDT   SUNSET   813 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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