AFOS product CLISTL
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CDUS43 KLSX 180745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
145 AM CST THU DEC 18 2014


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 17 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    242 PM  72    1908  42     -3       41       
  MINIMUM         31   1159 PM  -3    1875  26      5       25       
  AVERAGE         35                        34      1       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.02 1959   0.09  -0.09     0.00    
                                      1897                          
  MONTH TO DATE    1.79                      1.62   0.17     0.93    
  SINCE DEC 1      1.79                      1.62   0.17     0.93    
  SINCE JAN 1     42.50                     39.74   2.76    41.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1897   0.2   -0.2      0.0     
  MONTH TO DATE    0.1                       2.0   -1.9      5.6     
  SINCE DEC 1      0.1                       2.0   -1.9      5.6     
  SINCE JUL 1      3.9                       2.7    1.2      5.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       30                        31     -1       32       
  MONTH TO DATE  426                       486    -60      553       
  SINCE DEC 1    426                       486    -60      553       
  SINCE JUL 1   1383                      1312     71     1423       
                                                                     
 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    16   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     6.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           800 AM                                     
 LOWEST     59          1100 AM                                     
 AVERAGE    66                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        69      1939                    
 MINIMUM TEMPERATURE (F)   26        -4      1983                    
                                             1884                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2014......SUNRISE   714 AM CST   SUNSET   442 PM CST   
DECEMBER 19 2014......SUNRISE   715 AM CST   SUNSET   442 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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