AFOS product CLISTL
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CDUS43 KLSX 200730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
129 AM CST SAT DEC 20 2014


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         39    209 PM  68    1976  41     -2       61       
  MINIMUM         32    822 AM  -7    1983  26      6       40       
                                      1884                          
  AVERAGE         36                        34      2       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.49 1895   0.08  -0.08     0.00    
  MONTH TO DATE    1.80                      1.78   0.02     0.93    
  SINCE DEC 1      1.80                      1.78   0.02     0.93    
  SINCE JAN 1     42.51                     39.90   2.61    41.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          12.0  1973   0.2   -0.2      0.0     
  MONTH TO DATE    0.2                       2.3   -2.1      5.6     
  SINCE DEC 1      0.2                       2.3   -2.1      5.6     
  SINCE JUL 1      4.0                       3.0    1.0      5.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       29                        31     -2       14       
  MONTH TO DATE  486                       548    -62      594       
  SINCE DEC 1    486                       548    -62      594       
  SINCE JUL 1   1443                      1374     69     1464       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1732                      1646     86     1728       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     4.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           700 AM                                     
 LOWEST     64          1200 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        71      2013                    
 MINIMUM TEMPERATURE (F)   26       -10      1901                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2014......SUNRISE   716 AM CST   SUNSET   443 PM CST   
DECEMBER 21 2014......SUNRISE   716 AM CST   SUNSET   443 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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