AFOS product CLICOU
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924 
CDUS43 KLSX 210729
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT THU AUG 21 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 20 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         89    330 PM 102    1962  88      1       80       
                                      2003                           
  MINIMUM         69    557 AM  46    1950  66      3       60       
  AVERAGE         79                        77      2       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          3.38 2010   0.15  -0.15      T       
  MONTH TO DATE    0.07                      2.63  -2.56     2.85     
  SINCE JUN 1     13.29                     10.99   2.30    18.59     
  SINCE JAN 1     26.55                     27.85  -1.30    34.53     

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 JUN 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 JUN 1      0                         6     -6        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       14                        12      2        5        
  MONTH TO DATE  269                       262      7      209        
  SINCE JUN 1   1003                       975     28      941        
  SINCE JAN 1   1094                      1121    -27     1129        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)        
  AVERAGE WIND SPEED     6.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           500 AM                                      
 LOWEST     47           300 PM                                      
 AVERAGE    72                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   87       105      2003                      
 MINIMUM TEMPERATURE (F)   66        48      1950                      
                                             1956                     


SUNRISE AND SUNSET                                                    
AUGUST 21 2025........SUNRISE   628 AM CDT   SUNSET   755 PM CDT     
AUGUST 22 2025........SUNRISE   629 AM CDT   SUNSET   753 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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