AFOS product CLICOU
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CDUS43 KLSX 180727
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT MON AUG 18 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 17 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         97   1228 PM 106    1936  88      9       87       
  MINIMUM         74    921 PM  48    1897  67      7       68       
  AVERAGE         86                        77      9       78     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.91 1970   0.14  -0.14     0.00     
  MONTH TO DATE    0.07                      2.20  -2.13     2.85     
  SINCE JUN 1     13.29                     10.56   2.73    18.59     
  SINCE JAN 1     26.55                     27.42  -0.87    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       21                        12      9       13        
  MONTH TO DATE  218                       226     -8      184        
  SINCE JUN 1    952                       939     13      916        
  SINCE JAN 1   1043                      1085    -42     1104        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SE (120)       
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    SE (130)       
  AVERAGE WIND SPEED     5.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94          1100 PM                                      
 LOWEST     43          1200 PM                                      
 AVERAGE    69                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       106      1936                      
 MINIMUM TEMPERATURE (F)   67        47      1890                      


SUNRISE AND SUNSET                                                    
AUGUST 18 2025........SUNRISE   626 AM CDT   SUNSET   759 PM CDT     
AUGUST 19 2025........SUNRISE   627 AM CDT   SUNSET   758 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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