(Short tons, thousands)
Excel | CSV | Graphic Version
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2002 | 3.2 | 4.1 | 3.4 | 4.2 | 4.1 | 4.6 | 3.5 | 4.0 | 3.7 | 3.8 | 3.3 | 3.6 |
| 2003 | 3.1 | 3.5 | 3.6 | 4.3 | 4.2 | 3.8 | 4.9 | 4.6 | 4.1 | 4.9 | 4.0 | 4.1 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, based on data from U.S. Army Corps of Engineers, special tabulation, October 2004.