| 38.1 |
Sny Island Cell #4 levee is overtopped. |
| 37.5 |
This is the RECORD FLOOD LEVEL that was reached on July 29 1993. |
| 37.1 |
Sny Island Cell #3 levee is overtopped |
| 36.8 |
This flood level was reached on April 24 1973. |
| 36.3 |
Highway 79 is closed from one mile south of Annada to two miles north of Annada. Route H is closed from Annada to about one mile west of Annada. Also Route W is closed at Highway 79 in Clarksville for one block. |
| 33.2 |
IL route 96 near Mozier inundated. |
| 33.1 |
Route N is closed between Route D and Highway 79. |
| 33.0 |
Clarksville city businesses from 1st Street to 3rd Street begin to flood. Also Major Flooding Begins |
| 32.0 |
Front Street begins to flood. |
| 31.5 |
Burlington Northern SF railroad tracks begin to flood. Also, Highway 79 closes one mile south of Clarksville. |
| 31.0 |
The Boat Club, south of Lock & Dam 24, begins to flood. Also Water Street in Hamburg floods. Moderate Flooding Occurs. |
| 30.0 |
East bank (Illinois side) begins to flood. Highway 79 one mile south of Clarksville begins to flood. |
| 29.0 |
Water enters the parking lot entrance at the Clarksville Riverfront Park. |
| 25.5 |
State Route P east of Elsberry begins flooding just east of the levee. |
| 25.0 |
Flood Stage. Minor flooding begins. |
| 23.5 |
Flooding begins in unprotected areas |
weather.gov 
