AFOS product CLISTL
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CDUS43 KLSX 190732
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT THU AUG 19 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 18 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         90    104 PM 106    1936  88      2       84       
  MINIMUM         71    450 AM  54    1963  69      2       68       
  AVERAGE         81                        79      2       76     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.10 1902   0.11  -0.11     0.00     
  MONTH TO DATE    2.91                      2.06   0.85     4.71     
  SINCE JUN 1     14.19                     10.48   3.71    16.49     
  SINCE JAN 1     31.78                     28.35   3.43    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       16                        14      2       11        
  MONTH TO DATE  260                       264     -4      216        
  SINCE JUN 1   1140                      1091     49     1172        
  SINCE JAN 1   1314                      1286     28     1319        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)       
  AVERAGE WIND SPEED     4.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           400 AM                                      
 LOWEST     48          1100 AM                                      
 AVERAGE    64                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       105      1936                      
                                             1962                     
 MINIMUM TEMPERATURE (F)   69        55      1953                      


SUNRISE AND SUNSET                                                    
AUGUST 19 2021........SUNRISE   619 AM CDT   SUNSET   750 PM CDT     
AUGUST 20 2021........SUNRISE   620 AM CDT   SUNSET   749 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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