AFOS product CLICOU
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CDUS43 KLSX 240730
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT WED SEP 24 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 23 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         71    409 PM  94    1891  78     -7       69       
                                      2007                           
  MINIMUM         65    332 AM  33    1896  55     10       62       
  AVERAGE         68                        66      2       66     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.52          2.72 1959   0.12   0.40     1.44     
  MONTH TO DATE    1.97                      2.95  -0.98     3.49     
  SINCE SEP 1      1.97                      2.95  -0.98     3.49     
  SINCE JAN 1     28.56                     32.31  -3.75    38.63     

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   11                        21    -10       10        
  SINCE SEP 1     11                        21    -10       10        
  SINCE JUL 1     12                        22    -10       10        

 COOLING                                                              
  YESTERDAY        3                         4     -1        1        
  MONTH TO DATE  183                       150     33      161        
  SINCE SEP 1    183                       150     33      161        
  SINCE JAN 1   1335                      1388    -53     1422        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (50)        
  AVERAGE WIND SPEED     6.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1000 AM                                      
 LOWEST     87           200 PM                                      
 AVERAGE    92                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        95      1891                      
 MINIMUM TEMPERATURE (F)   55        33      1989                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 24 2025.....SUNRISE   659 AM CDT   SUNSET   702 PM CDT     
SEPTEMBER 25 2025.....SUNRISE   700 AM CDT   SUNSET   700 PM CDT     


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




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