AFOS product CLISTL
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CDUS43 KLSX 250728
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT THU SEP 25 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 24 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         78   1248 PM  94    1881  78      0       73       
                                      1891                           
  MINIMUM         66   1159 PM  37    1942  58      8       60       
  AVERAGE         72                        68      4       67     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          2.57 1941   0.09  -0.08     0.17     
  MONTH TO DATE    0.74                      2.41  -1.67     4.86     
  SINCE SEP 1      0.74                      2.41  -1.67     4.86     
  SINCE JAN 1     32.83                     32.08   0.75    36.54     

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                         2     -2        0        
  MONTH TO DATE    4                        15    -11        3        
  SINCE SEP 1      4                        15    -11        3        
  SINCE JUL 1      4                        16    -12        3        

 COOLING                                                              
  YESTERDAY        7                         5      2        2        
  MONTH TO DATE  227                       188     39      231        
  SINCE SEP 1    227                       188     39      231        
  SINCE JAN 1   1748                      1638    110     1939        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (360)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED     6.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           500 AM                                      
 LOWEST     64           100 PM                                      
 AVERAGE    81                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        92      1881                      
                                             1900                     
                                             2017                     
 MINIMUM TEMPERATURE (F)   57        39      1942                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 25 2025.....SUNRISE   652 AM CDT   SUNSET   653 PM CDT     
SEPTEMBER 26 2025.....SUNRISE   653 AM CDT   SUNSET   652 PM CDT     


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




$$