AFOS product CLICOU
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996 
CDUS43 KLSX 040728
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT THU SEP 04 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 3 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         87    233 PM 103    1939  84      3       78       
  MINIMUM         59    541 AM  43    1974  63     -4       57       
  AVERAGE         73                        74     -1       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.24          2.50 1962   0.13   0.11     0.00     
  MONTH TO DATE    0.43                      0.40   0.03     0.00     
  SINCE SEP 1      0.43                      0.40   0.03     0.00     
  SINCE JAN 1     27.02                     29.76  -2.74    35.14     

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                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE SEP 1      0                         0      0        0        
  SINCE JUL 1      1                         1      0        0        

 COOLING                                                              
  YESTERDAY        8                         9     -1        3        
  MONTH TO DATE   20                        27     -7       14        
  SINCE SEP 1     20                        27     -7       14        
  SINCE JAN 1   1172                      1265    -93     1275        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (360)       
  AVERAGE WIND SPEED     8.7                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 AM                                      
 LOWEST     37           300 PM                                      
 AVERAGE    67                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   84       103      1913                      
 MINIMUM TEMPERATURE (F)   63        38      1891                      


SUNRISE AND SUNSET                                                    
SEPTEMBER  4 2025.....SUNRISE   641 AM CDT   SUNSET   734 PM CDT     
SEPTEMBER  5 2025.....SUNRISE   642 AM CDT   SUNSET   732 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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