| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 3.10 | 4.48 | 0.48 | 18.3 | -17.3 | 3469 | |
| Austria | 3.09 | 4.54 | 0.05 | 14.7 | -17.3 | 120 | |
| Czech Republic | 3.78 | 5.43 | 0.70 | 12.6 | -16.5 | 72 | |
| Denmark | 1.88 | 2.63 | -0.86 | 3.5 | -7.0 | 24 | |
| France | 3.07 | 4.68 | 1.31 | 17.8 | -14.9 | 527 | |
| Germany | 3.75 | 5.34 | 1.12 | 18.3 | -16.8 | 672 | |
| Guernsey | 3.01 | 4.85 | 2.23 | 15.6 | -2.5 | 24 | |
| Hungary | 3.23 | 4.35 | -0.44 | 10.0 | -8.9 | 23 | |
| Ireland | 3.13 | 4.38 | 0.93 | 10.2 | -11.0 | 24 | |
| Isle of Man | 2.72 | 4.06 | 0.79 | 11.9 | -9.0 | 24 | |
| Jersey | 3.14 | 5.05 | 2.25 | 15.3 | -1.9 | 24 | |
| Netherlands | 2.84 | 4.13 | -0.26 | 14.4 | -13.0 | 382 | |
| Norway | 2.43 | 3.28 | -0.51 | 8.7 | -8.3 | 24 | |
| Poland | 3.64 | 5.38 | -1.05 | 13.9 | -16.8 | 96 | |
| Spain | 1.98 | 2.47 | -1.08 | 4.2 | -6.4 | 72 | |
| Sweden | 2.06 | 2.72 | -0.83 | 5.1 | -6.3 | 24 | |
| Ukraine | 3.96 | 5.46 | -1.47 | 13.4 | -16.1 | 72 | |
| United Kingdom | 2.83 | 3.92 | 0.37 | 17.3 | -14.0 | 1265 |