AFOS product CLICOU
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585 
CDUS43 KLSX 202226
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
526 PM CDT SAT SEP 20 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
VALID AS OF 0500 PM LOCAL TIME.

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)                                                          
 TODAY                                                               
  MAXIMUM         86    249 PM  98    1893  79      7       94       
                                      2022                           
  MINIMUM         62    604 AM  36    1918  57      5       70       
                                      1991                           
  AVERAGE         74                        68      6       82     

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.72 1944   0.12  -0.12     0.00     
  MONTH TO DATE    1.02                      2.57  -1.55      T       
  SINCE SEP 1      1.02                      2.57  -1.55      T       
  SINCE JAN 1     27.61                     31.93  -4.32    35.14     

SNOWFALL (IN)                                                              
  TODAY            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                                                              
  TODAY            0                         2     -2        0        
  MONTH TO DATE   11                        15     -4       10        
  SINCE SEP 1     11                        15     -4       10        
  SINCE JUL 1     12                        16     -4       10        

 COOLING                                                              
  TODAY            9                         5      4       17        
  MONTH TO DATE  164                       138     26      142        
  SINCE SEP 1    164                       138     26      142        
  SINCE JAN 1   1316                      1376    -60     1403        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (220)       
  AVERAGE WIND SPEED     5.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.1                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 AM                                      
 LOWEST     44           400 PM                                      
 AVERAGE    70                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78       100      1893                      
 MINIMUM TEMPERATURE (F)   56        35      1897                      
                                             1983                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 20 2025.....SUNRISE   655 AM CDT   SUNSET   708 PM CDT     
SEPTEMBER 21 2025.....SUNRISE   656 AM CDT   SUNSET   707 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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