FIGURE 5-6 Total Number of Hours of Lock Closures: 2000-2012
Friday, April 10, 2015
Hours
| Scheduled | Unscheduled | |
|---|---|---|
| 2000 | 52,746.12 | 23,363.02 |
| 2001 | 72,511.30 | 37,429.85 |
| 2002 | 64,964.10 | 41,955.47 |
| 2003 | 58,197.52 | 42,859.58 |
| 2004 | 67,480.58 | 41,287.80 |
| 2005 | 70,990.12 | 52,367.67 |
| 2006 | 82,087.87 | 75,340.23 |
| 2007 | 101,302.20 | 61,691.32 |
| 2008 | 81,139.27 | 94,868.57 |
| 2009 | 81,882.22 | 73,864.55 |
| 2010 | 98,414.90 | 77,847.82 |
| 2011 | 104,006.15 | 60,367.87 |
| 2012 | 128,539.45 | 23,263.05 |
SOURCE: U.S. Army Corps of Engineers, Navigation Data Center, Lock Performance Monitoring System. Locks by Waterway, Locks Unavailability, Calendar Years 1993-2013
(February 19, 2014). Available at http://www.navigationdatacenter.us/ as of Februrary 2014.