AFOS product CLISTL
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CDUS43 KLSX 170726
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
226 AM CDT FRI OCT 17 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 16 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         82    327 PM  89    1950  69     13       62       
  MINIMUM         62    610 AM  32    1943  49     13       35       
  AVERAGE         72                        59     13       49     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.41 1914   0.10  -0.10     0.00     
  MONTH TO DATE    T                         1.51  -1.51      T       
  SINCE SEP 1      0.74                      4.47  -3.73     5.75     
  SINCE JAN 1     32.83                     34.14  -1.31    37.43     

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                         7     -7       16        
  MONTH TO DATE    9                        81    -72       49        
  SINCE SEP 1     13                       113   -100       52        
  SINCE JUL 1     13                       114   -101       52        

 COOLING                                                              
  YESTERDAY        7                         1      6        0        
  MONTH TO DATE  101                        36     65       46        
  SINCE SEP 1    370                       248    122      314        
  SINCE JAN 1   1891                      1698    193     2022        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     8.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM                                      
 LOWEST     45           200 PM                                      
 AVERAGE    63                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        91      2016                      
 MINIMUM TEMPERATURE (F)   49        29      1943                      


SUNRISE AND SUNSET                                                    
OCTOBER 17 2025.......SUNRISE   713 AM CDT   SUNSET   620 PM CDT     
OCTOBER 18 2025.......SUNRISE   714 AM CDT   SUNSET   618 PM CDT     


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




$$