843  
CDUS43 KLSX 180728  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT WED JUN 18 2025  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR JUNE 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 86 334 PM 101 1918 85 1 94  
MINIMUM 67 426 AM 47 1999 65 2 75  
AVERAGE 77 75 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.99 1985 0.13 -0.13 0.00  
MONTH TO DATE 5.69 2.39 3.30 3.32  
SINCE JUN 1 5.69 2.39 3.30 3.32  
SINCE JAN 1 18.95 19.25 -0.30 19.26  
 
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 18.6 16.5 2.1 8.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 3 -3 0  
SINCE JUN 1 0 3 -3 0  
SINCE JUL 1 4349 4679 -330 3891  
 
COOLING  
YESTERDAY 12 10 2 20  
MONTH TO DATE 107 144 -37 180  
SINCE JUN 1 107 144 -37 180  
SINCE JAN 1 198 290 -92 368    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 59 200 PM  
AVERAGE 80  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 100 1905  
1953  
MINIMUM TEMPERATURE (F) 66 50 1999  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 544 AM CDT SUNSET 837 PM CDT  
JUNE 19 2025..........SUNRISE 544 AM CDT SUNSET 837 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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