AFOS product CLISTL
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CDUS43 KLSX 010731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
128 AM CST TUE JAN 1 2019


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 31 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         48    324 PM  74    1951  40      8       12       
                                      1875                          
  MINIMUM         40    618 AM -10    1976  24     16        2       
  AVERAGE         44                        32     12        7      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.00          1.69 1984   0.09   0.91      T      
  MONTH TO DATE    3.98                      2.84   1.14     0.84    
  SINCE DEC 1      3.98                      2.84   1.14     0.84    
  SINCE JAN 1     42.60                     40.96   1.64    36.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.5  1927   0.2   -0.2       T      
  MONTH TO DATE    1.7                       4.4   -2.7      3.5     
  SINCE DEC 1      1.7                       4.4   -2.7      3.5     
  SINCE JUL 1      6.9                       5.1    1.8      3.5     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        33    -12       58       
  MONTH TO DATE  798                       939   -141      928       
  SINCE DEC 1    798                       939   -141      928       
  SINCE JUL 1   1860                      1765     95     1630       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   2182                      1646    536     1959       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     82           400 PM                                     
 AVERAGE    91                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   40        70      1965                    
 MINIMUM TEMPERATURE (F)   24       -10      1974                    
                                             1887                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2019.......SUNRISE   720 AM CST   SUNSET   451 PM CST   
JANUARY  2 2019.......SUNRISE   720 AM CST   SUNSET   451 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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