AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
241 AM CDT THU OCT 16 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 15 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         84    107 PM  90    1897  70     14       58       
  MINIMUM         62    612 AM  30    1937  50     12       43       
  AVERAGE         73                        60     13       51     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.29 1914   0.11  -0.11      T       
  MONTH TO DATE    T                         1.41  -1.41      T       
  SINCE SEP 1      0.74                      4.37  -3.63     5.75     
  SINCE JAN 1     32.83                     34.04  -1.21    37.43     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1954   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                         7     -7       14        
  MONTH TO DATE    9                        74    -65       33        
  SINCE SEP 1     13                       106    -93       36        
  SINCE JUL 1     13                       107    -94       36        

 COOLING                                                              
  YESTERDAY        8                         1      7        0        
  MONTH TO DATE   94                        35     59       46        
  SINCE SEP 1    363                       247    116      314        
  SINCE JAN 1   1884                      1697    187     2022        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     4.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           400 AM                                      
 LOWEST     38           100 PM                                      
 AVERAGE    58                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        89      1950                      
 MINIMUM TEMPERATURE (F)   49        32      1943                      


SUNRISE AND SUNSET                                                    
OCTOBER 16 2025.......SUNRISE   712 AM CDT   SUNSET   621 PM CDT     
OCTOBER 17 2025.......SUNRISE   713 AM CDT   SUNSET   620 PM CDT     


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




$$