620  
CDUS43 KLSX 190735  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT WED AUG 19 2026  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 18 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 84 1214 PM 106 1936 88 -4 96  
MINIMUM 63 440 AM 47 1890 67 -4 71  
AVERAGE 74 77 -3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 4.06 2002 0.14 -0.13 0.00  
MONTH TO DATE 4.02 2.34 1.68 0.07  
SINCE JUN 1 15.40 10.70 4.70 13.29  
SINCE JAN 1 37.96 27.56 10.40 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 9 12 -3 19  
MONTH TO DATE 249 238 11 237  
SINCE JUN 1 962 951 11 971  
SINCE JAN 1 1136 1097 39 1062    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 56 1200 PM  
AVERAGE 78  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 1936  
MINIMUM TEMPERATURE (F) 67 52 1890  
1897  
 
SUNRISE AND SUNSET  
AUGUST 19 2026........SUNRISE 626 AM CDT SUNSET 758 PM CDT  
AUGUST 20 2026........SUNRISE 627 AM CDT SUNSET 756 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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