| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.05 | 5.78 | 0.55 | 25.5 | -24.8 | 3331 | |
| Austria | 4.42 | 6.32 | -0.43 | 17.0 | -21.3 | 115 | |
| Czech Republic | 4.85 | 6.83 | 0.57 | 16.2 | -17.5 | 69 | |
| Denmark | 2.47 | 3.21 | 0.20 | 6.8 | -6.2 | 23 | |
| France | 3.84 | 5.57 | 1.77 | 18.4 | -13.2 | 503 | |
| Germany | 4.90 | 6.96 | 0.62 | 22.1 | -20.3 | 644 | |
| Guernsey | 4.42 | 6.17 | 2.97 | 14.3 | -11.2 | 23 | |
| Hungary | 4.24 | 6.04 | 0.04 | 15.7 | -15.2 | 23 | |
| Ireland | 3.51 | 4.67 | 0.02 | 12.0 | -9.6 | 23 | |
| Isle of Man | 3.32 | 4.76 | 0.11 | 12.2 | -12.7 | 23 | |
| Jersey | 4.30 | 6.17 | 2.94 | 14.2 | -10.2 | 23 | |
| Netherlands | 3.67 | 5.17 | 0.08 | 15.4 | -14.2 | 366 | |
| Norway | 2.17 | 2.88 | -0.28 | 5.3 | -7.1 | 23 | |
| Poland | 6.35 | 8.49 | -1.26 | 15.6 | -21.9 | 92 | |
| Spain | 1.92 | 2.45 | -0.82 | 7.6 | -6.3 | 69 | |
| Sweden | 2.39 | 3.03 | -1.03 | 3.2 | -6.7 | 23 | |
| Ukraine | 5.63 | 7.56 | -1.76 | 11.3 | -24.8 | 69 | |
| United Kingdom | 3.69 | 5.08 | 0.58 | 25.5 | -18.4 | 1220 |