AFOS product CLISTL
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CDUS43 KLSX 220734
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
132 AM CST THU DEC 22 2016


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 21 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         54    232 PM  67    2015  41     13       67       
                                      1967                          
  MINIMUM         22    224 AM -12    1989  25     -3       44       
  AVERAGE         38                        33      5       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.84 1967   0.09  -0.09     0.26    
  MONTH TO DATE    0.36                      1.96  -1.60     1.54    
  SINCE DEC 1      0.36                      1.96  -1.60     1.54    
  SINCE JAN 1     40.67                     40.08   0.59    51.04    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.6  1983   0.1   -0.1      0.0     
  MONTH TO DATE    0.2                       2.6   -2.4       T      
  SINCE DEC 1      0.2                       2.6   -2.4       T      
  SINCE JUL 1      0.2                       3.3   -3.1       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        32     -5        9       
  MONTH TO DATE  719                       612    107      373       
  SINCE DEC 1    719                       612    107      373       
  SINCE JUL 1   1210                      1438   -228      935       
                                                                     
 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    15   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    74           100 AM                                     
 LOWEST     24          1200 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        66      1965                    
                                             1933                    
 MINIMUM TEMPERATURE (F)   25       -16      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2016......SUNRISE   717 AM CST   SUNSET   444 PM CST   
DECEMBER 23 2016......SUNRISE   717 AM CST   SUNSET   445 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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