| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.43 | 7.38 | -0.81 | 23.4 | -27.4 | 3038 | |
| Austria | 6.89 | 9.09 | -1.72 | 16.7 | -23.7 | 105 | |
| Czech Republic | 6.49 | 8.75 | -1.75 | 16.4 | -19.7 | 63 | |
| Denmark | 3.59 | 4.32 | -1.56 | 8.5 | -8.2 | 21 | |
| France | 6.01 | 8.15 | -0.37 | 18.5 | -27.4 | 461 | |
| Germany | 6.49 | 8.53 | -0.51 | 23.4 | -26.1 | 588 | |
| Guernsey | 5.07 | 6.61 | 0.67 | 11.9 | -14.0 | 21 | |
| Hungary | 8.24 | 9.79 | -2.08 | 15.6 | -17.1 | 20 | |
| Ireland | 2.95 | 3.96 | 0.33 | 7.2 | -10.3 | 21 | |
| Isle of Man | 3.65 | 5.11 | -0.34 | 11.9 | -10.9 | 21 | |
| Jersey | 5.33 | 7.16 | 0.57 | 14.4 | -14.3 | 21 | |
| Netherlands | 5.82 | 7.85 | -1.49 | 16.1 | -20.1 | 334 | |
| Norway | 4.46 | 5.55 | -1.66 | 11.1 | -12.7 | 21 | |
| Poland | 5.30 | 6.83 | -2.53 | 14.2 | -16.4 | 84 | |
| Spain | 2.80 | 3.44 | -1.95 | 5.6 | -7.1 | 63 | |
| Sweden | 3.11 | 4.06 | -0.98 | 7.0 | -9.3 | 21 | |
| Ukraine | 4.80 | 6.32 | -1.55 | 9.6 | -16.1 | 63 | |
| United Kingdom | 4.64 | 6.34 | -0.60 | 18.6 | -20.4 | 1110 |