AFOS product CLISTL
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CDUS43 KLSX 010729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
128 AM CST SUN JAN 1 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 31 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         55   1252 PM  74    1951  40     15       34       
                                      1875                          
  MINIMUM         30   1111 PM -10    1976  24      6       29       
  AVERAGE         43                        32     11       32      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.69 1984   0.09  -0.09      T      
  MONTH TO DATE    1.13                      2.84  -1.71    11.74    
  SINCE DEC 1      1.13                      2.84  -1.71    11.74    
  SINCE JAN 1     41.44                     40.96   0.48    61.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.5  1927   0.2   -0.2       T      
  MONTH TO DATE    0.2                       4.4   -4.2       T      
  SINCE DEC 1      0.2                       4.4   -4.2       T      
  SINCE JUL 1      0.2                       5.1   -4.9       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        33    -11       33       
  MONTH TO DATE  931                       939     -8      597       
  SINCE DEC 1    931                       939     -8      597       
  SINCE JUL 1   1422                      1765   -343     1159       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   2162                      1646    516     1873       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           900 PM                                     
 LOWEST     22           500 AM                                     
 AVERAGE    43                                                       

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

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

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2017.......SUNRISE   720 AM CST   SUNSET   451 PM CST   
JANUARY  2 2017.......SUNRISE   720 AM CST   SUNSET   452 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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