AFOS product CLISTL
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CDUS43 KLSX 170728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
127 AM CST WED JAN 17 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 16 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         11   1050 PM  71    1990  40    -29       59       
  MINIMUM         -1    627 AM -14    1977  23    -24       38       
  AVERAGE          5                        32    -27       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.06 1907   0.07  -0.07     0.11    
  MONTH TO DATE    0.46                      1.28  -0.82     1.43    
  SINCE DEC 1      1.30                      4.12  -2.82     2.56    
  SINCE JAN 1      0.46                      1.28  -0.82     1.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T            10.9  1978   0.2   -0.2      0.0     
  MONTH TO DATE    1.2                       2.9   -1.7      1.0     
  SINCE DEC 1      4.7                       7.3   -2.6      1.2     
  SINCE JUL 1      4.7                       8.0   -3.3      1.2     
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       60                        33     27       16       
  MONTH TO DATE  709                       536    173      509       
  SINCE DEC 1   1637                      1475    162     1440       
  SINCE JUL 1   2339                      2301     38     1931       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           800 PM                                     
 LOWEST     68           100 AM                                     
 AVERAGE    74                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   40        72      1894                    
 MINIMUM TEMPERATURE (F)   23       -14      1930                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 17 2018.......SUNRISE   717 AM CST   SUNSET   506 PM CST   
JANUARY 18 2018.......SUNRISE   717 AM CST   SUNSET   507 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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