AFOS product CLISTL
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105 
CDUS43 KLSX 200729
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT WED SEP 20 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 19 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         88    314 PM  96    1925  80      8       95       
                                      1931                           
                                      1955                           
  MINIMUM         63    611 AM  42    1938  60      3       74       
  AVERAGE         76                        70      6       85     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.82 1954   0.09  -0.09      T       
  MONTH TO DATE    0.23                      1.95  -1.72     1.61     
  SINCE SEP 1      0.23                      1.95  -1.72     1.61     
  SINCE JAN 1     25.23                     31.62  -6.39    40.73     

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 SEP 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                         1     -1        0        
  MONTH TO DATE    0                         7     -7        0        
  SINCE SEP 1      0                         7     -7        0        
  SINCE JUL 1      0                         8     -8        0        

 COOLING                                                              
  YESTERDAY       11                         6      5       20        
  MONTH TO DATE  161                       161      0      180        
  SINCE SEP 1    161                       161      0      180        
  SINCE JAN 1   1731                      1611    120     1874        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (180)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED    11.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63           400 AM                                      
 LOWEST     31           400 PM                                      
 AVERAGE    47                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   80        97      2017                      
                                             2022                     
 MINIMUM TEMPERATURE (F)   59        40      1875                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 20 2023.....SUNRISE   647 AM CDT   SUNSET   702 PM CDT     
SEPTEMBER 21 2023.....SUNRISE   648 AM CDT   SUNSET   700 PM CDT     


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




$$