| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.52 | 6.24 | 0.85 | 21.4 | -21.5 | 3331 | |
| Austria | 5.02 | 6.96 | 1.25 | 18.0 | -21.5 | 115 | |
| Czech Republic | 4.84 | 6.58 | 0.43 | 15.9 | -19.6 | 69 | |
| Denmark | 3.31 | 4.09 | -1.47 | 5.7 | -10.2 | 23 | |
| France | 4.58 | 6.38 | 2.49 | 21.4 | -16.6 | 504 | |
| Germany | 5.03 | 6.83 | 1.25 | 19.7 | -17.9 | 641 | |
| Guernsey | 4.81 | 6.62 | 3.12 | 16.4 | -6.3 | 23 | |
| Hungary | 5.45 | 7.54 | -0.26 | 17.8 | -18.3 | 23 | |
| Ireland | 4.32 | 5.58 | 0.34 | 12.3 | -10.7 | 23 | |
| Isle of Man | 4.11 | 5.44 | -0.47 | 13.1 | -11.3 | 23 | |
| Jersey | 4.61 | 6.51 | 3.26 | 15.0 | -7.2 | 23 | |
| Netherlands | 4.10 | 5.77 | 0.15 | 15.6 | -14.2 | 366 | |
| Norway | 2.13 | 2.60 | 0.70 | 5.7 | -3.3 | 23 | |
| Poland | 5.50 | 7.43 | -1.07 | 15.4 | -18.0 | 91 | |
| Spain | 2.63 | 3.35 | -1.50 | 5.3 | -12.1 | 68 | |
| Sweden | 1.87 | 2.40 | -0.64 | 3.9 | -5.0 | 23 | |
| Ukraine | 5.00 | 6.58 | -0.02 | 13.8 | -19.5 | 69 | |
| United Kingdom | 4.40 | 6.03 | 0.52 | 18.7 | -15.3 | 1224 |