824  
CDUS43 KLSX 182213  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
513 PM CDT MON AUG 18 2025  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 18 2025  
 
VALID TODAY AS OF 0400 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 96 107 PM 106 1936 88 8 85  
MINIMUM 71 528 AM 47 1890 67 4 66  
AVERAGE 84 77 7 76  
 
PRECIPITATION (IN)  
TODAY 0.00 4.06 2002 0.14 -0.14 0.00  
MONTH TO DATE 0.07 2.34 -2.27 2.85  
SINCE JUN 1 13.29 10.70 2.59 18.59  
SINCE JAN 1 26.55 27.56 -1.01 34.53  
 
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 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  
TODAY 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  
TODAY 19 12 7 11  
MONTH TO DATE 237 238 -1 195  
SINCE JUN 1 971 951 20 927  
SINCE JAN 1 1062 1097 -35 1115    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 200 AM  
LOWEST 48 100 PM  
AVERAGE 71  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 1936  
MINIMUM TEMPERATURE (F) 67 52 1890  
1897  
 
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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