AFOS product CLISTL
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CDUS43 KLSX 100745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
245 AM CDT FRI MAY 10 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 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         76    554 PM  92    1934  74      2       71       
                                      1895                          
  MINIMUM         64   1140 PM  35    1966  55      9       53       
  AVERAGE         70                        65      5       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.18          2.09 1949   0.14   0.04     0.00    
  MONTH TO DATE    2.69                      1.29   1.40     1.50    
  SINCE MAR 1     13.31                      8.30   5.01    12.13    
  SINCE JAN 1     19.70                     12.94   6.76    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        0                         3     -3        3       
  MONTH TO DATE   61                        34     27        3       
  SINCE MAR 1   1129                       892    237      388       
  SINCE JUL 1   4446                      4490    -44     3290       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         3      2        0       
  MONTH TO DATE   22                        21      1       89       
  SINCE MAR 1     56                        67    -11      226       
  SINCE JAN 1     56                        67    -11      226       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81          1200 PM                                     
 LOWEST     53           700 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      1963                    
                                             1928                    
 MINIMUM TEMPERATURE (F)   55        31      1966                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 10 2013...........SUNRISE   554 AM CDT   SUNSET   803 PM CDT   
MAY 11 2013...........SUNRISE   553 AM CDT   SUNSET   803 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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