AFOS product CLISTL
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
211 
CDUS43 KLSX 210753
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
150 AM CST WED DEC 21 2016


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 20 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         45    214 PM  71    2013  41      4       57       
  MINIMUM         16    741 AM -10    1901  26    -10       42       
  AVERAGE         31                        33     -2       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.36 1962   0.09  -0.09     0.01    
  MONTH TO DATE    0.36                      1.87  -1.51     1.28    
  SINCE DEC 1      0.36                      1.87  -1.51     1.28    
  SINCE JAN 1     40.67                     39.99   0.68    50.78    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.3  1960   0.2   -0.2      0.0     
  MONTH TO DATE    0.2                       2.5   -2.3       T      
  SINCE DEC 1      0.2                       2.5   -2.3       T      
  SINCE JUL 1      0.2                       3.2   -3.0       T      
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       34                        32      2       15       
  MONTH TO DATE  692                       580    112      364       
  SINCE DEC 1    692                       580    112      364       
  SINCE JUL 1   1183                      1406   -223      926       
                                                                     
 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    17   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    68          1100 PM                                     
 LOWEST     22           200 PM                                     
 AVERAGE    45                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        67      2015                    
                                             1967                    
 MINIMUM TEMPERATURE (F)   25       -12      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2016......SUNRISE   716 AM CST   SUNSET   444 PM CST   
DECEMBER 22 2016......SUNRISE   717 AM CST   SUNSET   444 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$