| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.54 | 7.56 | -0.66 | 31.6 | -26.7 | 3043 | |
| Austria | 7.19 | 9.11 | -2.38 | 14.4 | -24.2 | 105 | |
| Czech Republic | 7.02 | 9.44 | -1.44 | 17.9 | -22.8 | 63 | |
| Denmark | 3.42 | 4.48 | -0.38 | 11.7 | -7.6 | 21 | |
| France | 5.81 | 7.81 | 0.20 | 18.1 | -24.1 | 459 | |
| Germany | 6.76 | 9.09 | -1.01 | 25.4 | -26.7 | 588 | |
| Guernsey | 4.57 | 6.41 | 1.31 | 14.3 | -11.0 | 21 | |
| Hungary | 6.94 | 8.80 | -1.34 | 13.9 | -16.1 | 21 | |
| Ireland | 3.67 | 5.19 | 0.79 | 11.8 | -11.5 | 21 | |
| Isle of Man | 3.93 | 5.41 | -0.31 | 11.7 | -12.1 | 21 | |
| Jersey | 4.52 | 6.65 | 1.38 | 14.8 | -11.6 | 21 | |
| Netherlands | 5.98 | 8.19 | -0.94 | 18.6 | -22.2 | 334 | |
| Norway | 4.76 | 5.83 | -1.49 | 11.9 | -11.6 | 21 | |
| Poland | 6.12 | 7.81 | -2.42 | 12.7 | -21.4 | 84 | |
| Spain | 2.12 | 2.75 | -0.96 | 7.3 | -6.4 | 63 | |
| Sweden | 3.00 | 3.99 | -1.70 | 6.5 | -9.7 | 21 | |
| Ukraine | 5.93 | 7.53 | -1.45 | 9.8 | -18.7 | 63 | |
| United Kingdom | 4.73 | 6.39 | -0.41 | 31.6 | -21.3 | 1116 |