AFOS product CLISTL
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CDUS43 KLSX 200733
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
233 AM CDT FRI AUG 20 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 19 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         89    323 PM 105    1936  88      1       81       
                                      1962                           
  MINIMUM         71    524 AM  55    1953  69      2       63       
  AVERAGE         80                        79      1       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.03 1914   0.11  -0.11     0.00     
  MONTH TO DATE    2.91                      2.17   0.74     4.71     
  SINCE JUN 1     14.19                     10.59   3.60    16.49     
  SINCE JAN 1     31.78                     28.46   3.32    39.99     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1      0                         4     -4        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       15                        14      1        7        
  MONTH TO DATE  275                       278     -3      223        
  SINCE JUN 1   1155                      1105     50     1179        
  SINCE JAN 1   1329                      1300     29     1326        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (110)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (130)       
  AVERAGE WIND SPEED     5.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           400 AM                                      
 LOWEST     51           500 PM                                      
 AVERAGE    67                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       104      1962                      
 MINIMUM TEMPERATURE (F)   69        52      1950                      


SUNRISE AND SUNSET                                                    
AUGUST 20 2021........SUNRISE   620 AM CDT   SUNSET   749 PM CDT     
AUGUST 21 2021........SUNRISE   621 AM CDT   SUNSET   747 PM CDT     


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




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