AFOS product CLISTL
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CDUS43 KLSX 010745
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
245 AM CDT WED OCT 01 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 30 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         90    213 PM  93    1952  76     14       82       
  MINIMUM         62    609 AM  36    1949  55      7       65       
  AVERAGE         76                        66     10       74     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.35 1986   0.09  -0.09     0.00     
  MONTH TO DATE    0.74                      2.96  -2.22     5.75     
  SINCE SEP 1      0.74                      2.96  -2.22     5.75     
  SINCE JAN 1     32.83                     32.63   0.20    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                         3     -3        0        
  MONTH TO DATE    4                        30    -26        3        
  SINCE SEP 1      4                        30    -26        3        
  SINCE JUL 1      4                        31    -27        3        

 COOLING                                                              
  YESTERDAY       11                         4      7        9        
  MONTH TO DATE  269                       212     57      268        
  SINCE SEP 1    269                       212     57      268        
  SINCE JAN 1   1790                      1662    128     1976        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (20)        
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (30)        
  AVERAGE WIND SPEED     4.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           300 AM                                      
 LOWEST     29           400 PM                                      
 AVERAGE    58                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        94      2019                      
 MINIMUM TEMPERATURE (F)   55        36      1939                      
                                             1985                     


SUNRISE AND SUNSET                                                    
OCTOBER  1 2025.......SUNRISE   658 AM CDT   SUNSET   644 PM CDT     
OCTOBER  2 2025.......SUNRISE   659 AM CDT   SUNSET   642 PM CDT     


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




$$