| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.32 | 5.67 | -1.45 | 17.2 | -18.9 | 3865 | |
| Austria | 6.85 | 8.25 | -4.04 | 14.0 | -18.6 | 135 | |
| Czech Republic | 5.27 | 6.90 | -1.35 | 12.2 | -17.0 | 81 | |
| Denmark | 2.70 | 3.51 | -0.28 | 7.0 | -6.6 | 27 | |
| France | 4.66 | 5.98 | -1.57 | 14.0 | -15.6 | 592 | |
| Germany | 5.89 | 7.28 | -2.24 | 17.2 | -17.3 | 747 | |
| Guernsey | 2.73 | 3.68 | 0.31 | 9.7 | -5.8 | 27 | |
| Hungary | 5.46 | 6.44 | -0.77 | 13.1 | -11.2 | 27 | |
| Ireland | 2.75 | 3.57 | -0.38 | 8.8 | -7.4 | 27 | |
| Isle of Man | 2.29 | 2.92 | -0.55 | 6.3 | -5.8 | 27 | |
| Jersey | 3.05 | 3.94 | -0.26 | 9.9 | -6.4 | 27 | |
| Netherlands | 4.73 | 5.91 | -1.82 | 14.2 | -16.0 | 430 | |
| Norway | 2.84 | 4.30 | -1.16 | 9.1 | -10.5 | 21 | |
| Poland | 5.60 | 7.03 | -2.61 | 16.7 | -18.9 | 107 | |
| Spain | 3.24 | 4.09 | -2.43 | 9.3 | -11.4 | 80 | |
| Sweden | 4.11 | 5.01 | -1.68 | 9.3 | -9.0 | 27 | |
| Ukraine | 5.43 | 6.78 | -2.77 | 13.2 | -16.8 | 63 | |
| United Kingdom | 3.01 | 3.96 | -0.55 | 12.2 | -10.4 | 1420 |