500  
CDUS43 KLSX 170732  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
232 AM CDT MON AUG 17 2026  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 16 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1890 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 241 PM 103 2007 88 1 98  
MINIMUM 73 1159 PM 48 1992 67 6 73  
AVERAGE 81 78 3 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 2.55 1934 0.13 0.35 0.00  
MONTH TO DATE 4.01 2.06 1.95 0.07  
SINCE JUN 1 15.39 10.42 4.97 13.29  
SINCE JAN 1 37.95 27.28 10.67 26.55  
 
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 16 13 3 21  
MONTH TO DATE 230 214 16 197  
SINCE JUN 1 943 927 16 931  
SINCE JAN 1 1117 1073 44 1022    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 100 AM  
LOWEST 70 500 PM  
AVERAGE 82  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 106 1936  
MINIMUM TEMPERATURE (F) 67 48 1897  
 
SUNRISE AND SUNSET  
AUGUST 17 2026........SUNRISE 625 AM CDT SUNSET 801 PM CDT  
AUGUST 18 2026........SUNRISE 625 AM CDT SUNSET 759 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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