| HW | LW | Residual | ||||||||
| Level | Time | Level | Time | |||||||
| Bias [cm] | RMSE [cm] | Bias [min] | RMSE [min] | Bias [cm] | RMSE [cm] | Bias [min] | RMSE [min] | Bias [cm] | RMSE [cm] | |
| 2009 | −2.9 | 21.5 | 2.5 | 9.5 | 8.2 | 24.8 | −7.1 | 14.0 | 1.7 | 24.8 |
| 2010 | −3.1 | 21.2 | 1.1 | 7.8 | 6.4 | 23.6 | −7.1 | 12.0 | 0.2 | 23.7 |
| 2011 | 0.7 | 22.8 | 1.5 | 7.6 | 1.9 | 24.0 | −7.3 | 12.1 | −0.9 | 25.6 |
| 2012 | 2.3 | 22.6 | 0.7 | 7.3 | 0.5 | 23.7 | −8.1 | 13.3 | −0.8 | 25.3 |