| Worksheet Columns | Required Data | |||||
| Group | Wind Speed Range | Wind Speed Midpoint | Units | Wind Speed Midpoint | Group Units | |
| 1 | 1 to 3 | 2 | kts | 1 | m/s | |
| 2 | 4 to 6 | 5 | kts | 2.6 | m/s | |
| 3 | 7 to 10 | 8.5 | kts | 4.4 | m/s | |
| 4 | 11 to 16 | 13.5 | kts | 9.5 | m/s | |
| 5 | 17 to 20 | 18.5 | kts | 9.5 | m/s | |
| 6 | >21 to | 21 | kts | 10.8 | m/s | |