AFOS product CLISTL
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CDUS43 KLSX 180726
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
226 AM CDT SAT OCT 18 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 17 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         83    447 PM  91    2016  69     14       67       
  MINIMUM         63    644 AM  29    1943  49     14       38       
  AVERAGE         73                        59     14       53     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.48 1963   0.10  -0.10     0.00     
  MONTH TO DATE    T                         1.61  -1.61      T       
  SINCE SEP 1      0.74                      4.57  -3.83     5.75     
  SINCE JAN 1     32.83                     34.24  -1.41    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       12        
  MONTH TO DATE    9                        88    -79       61        
  SINCE SEP 1     13                       120   -107       64        
  SINCE JUL 1     13                       121   -108       64        

 COOLING                                                              
  YESTERDAY        8                         1      7        0        
  MONTH TO DATE  109                        37     72       46        
  SINCE SEP 1    378                       249    129      314        
  SINCE JAN 1   1899                      1699    200     2022        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (140)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (140)       
  AVERAGE WIND SPEED     9.7                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 AM                                      
 LOWEST     41           500 PM                                      
 AVERAGE    58                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        87      1953                      
 MINIMUM TEMPERATURE (F)   48        27      1976                      


SUNRISE AND SUNSET                                                    
OCTOBER 18 2025.......SUNRISE   714 AM CDT   SUNSET   618 PM CDT     
OCTOBER 19 2025.......SUNRISE   715 AM CDT   SUNSET   617 PM CDT     


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




$$