AFOS product CLISTL
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CDUS43 KLSX 100828
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CST SUN JAN 10 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 9 2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
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         33    106 AM  65    1876  39     -6       57       
  MINIMUM         29   1159 PM -16    1875  24      5       43       
  AVERAGE         31                        32     -1       50     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.88 1987   0.07  -0.07     0.76     
  MONTH TO DATE    0.78                      0.76   0.02     0.76     
  SINCE DEC 1      2.38                      3.60  -1.22     2.62     
  SINCE JAN 1      0.78                      0.76   0.02     0.76     

SNOWFALL (IN)                                                              
  YESTERDAY        T             9.1  1987   0.2   -0.2      0.0      
  MONTH TO DATE    T                         1.7   -1.7       T       
  SINCE DEC 1      0.3                       6.1   -5.8      5.1      
  SINCE JUL 1      0.3                       6.8   -6.5      6.6      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       34                        34      0       15        
  MONTH TO DATE  272                       299    -27      204        
  SINCE DEC 1   1102                      1238   -136      980        
  SINCE JUL 1   1847                      2064   -217     1947        

 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    12   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED     6.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT SNOW                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           200 AM                                      
 LOWEST     63           300 PM                                      
 AVERAGE    68                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   39        68      1890                      
                                             2017                     
 MINIMUM TEMPERATURE (F)   24       -15      1982                      


SUNRISE AND SUNSET                                                    
JANUARY 10 2021.......SUNRISE   719 AM CST   SUNSET   459 PM CST     
JANUARY 11 2021.......SUNRISE   719 AM CST   SUNSET   500 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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