AFOS product CLICOU
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CDUS43 KLSX 220728
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT MON SEP 22 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 21 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         85    159 PM 100    1893  78      7       83       
  MINIMUM         64   1159 PM  35    1897  56      8       70       
                                      1983                           
  AVERAGE         75                        67      8       77     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.43          3.57 1945   0.13   0.30     0.01     
  MONTH TO DATE    1.45                      2.70  -1.25     0.01     
  SINCE SEP 1      1.45                      2.70  -1.25     0.01     
  SINCE JAN 1     28.04                     32.06  -4.02    35.15     

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                        17     -6       10        
  SINCE SEP 1     11                        17     -6       10        
  SINCE JUL 1     12                        18     -6       10        

 COOLING                                                              
  YESTERDAY       10                         4      6       12        
  MONTH TO DATE  174                       142     32      154        
  SINCE SEP 1    174                       142     32      154        
  SINCE JAN 1   1326                      1380    -54     1415        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED     6.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM                                      
 LOWEST     48           100 PM                                      
 AVERAGE    74                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        97      1937                      
 MINIMUM TEMPERATURE (F)   56        33      1995                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 22 2025.....SUNRISE   657 AM CDT   SUNSET   705 PM CDT     
SEPTEMBER 23 2025.....SUNRISE   658 AM CDT   SUNSET   704 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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