AFOS product CLISTL
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CDUS43 KLSX 170832
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CST FRI DEC 17 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 16 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         71R  1207 AM  70    1889  44     27       36       
  MINIMUM         35   1159 PM  -8    1989  28      7       24       
  AVERAGE         53                        36     17       30     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.31          1.16 2001   0.07   0.24     0.01     
  MONTH TO DATE    1.30                      1.25   0.05     0.97     
  SINCE DEC 1      1.30                      1.25   0.05     0.97     
  SINCE JAN 1     41.03                     40.45   0.58    49.37     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.4  2019   0.1   -0.1      0.3      
  MONTH TO DATE    0.0                       1.3   -1.3      0.3      
  SINCE DEC 1      0.0                       1.3   -1.3      0.3      
  SINCE JUL 1      T                         2.2   -2.2      0.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       12                        29    -17       35        
  MONTH TO DATE  241                       426   -185      396        
  SINCE DEC 1    241                       426   -185      396        
  SINCE JUL 1    922                      1248   -326     1141        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    1                         0      1        0        
  SINCE DEC 1      1                         0      1        0        
  SINCE JAN 1   1977                      1713    264     1764        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (250)       
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     9.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           600 AM                                      
 LOWEST     41           300 PM                                      
 AVERAGE    64                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        72      1908                      
 MINIMUM TEMPERATURE (F)   28        -3      1875                      


SUNRISE AND SUNSET                                                    
DECEMBER 17 2021......SUNRISE   714 AM CST   SUNSET   442 PM CST     
DECEMBER 18 2021......SUNRISE   715 AM CST   SUNSET   442 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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