| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.00 | 6.92 | 0.12 | 21.7 | -24.2 | 3185 | |
| Austria | 6.28 | 8.21 | -0.08 | 16.7 | -19.6 | 110 | |
| Czech Republic | 5.71 | 7.70 | -0.91 | 17.1 | -20.0 | 66 | |
| Denmark | 3.68 | 4.67 | -1.29 | 8.4 | -10.4 | 22 | |
| France | 5.32 | 7.27 | 1.47 | 20.0 | -20.5 | 482 | |
| Germany | 5.74 | 7.78 | -0.15 | 21.7 | -24.2 | 613 | |
| Guernsey | 4.66 | 6.79 | 2.12 | 16.2 | -12.1 | 22 | |
| Hungary | 7.01 | 9.17 | -1.31 | 14.8 | -18.7 | 22 | |
| Ireland | 3.67 | 4.78 | 0.68 | 10.8 | -11.2 | 22 | |
| Isle of Man | 3.72 | 4.99 | -0.34 | 10.2 | -11.4 | 22 | |
| Jersey | 4.75 | 6.91 | 2.08 | 15.0 | -13.2 | 22 | |
| Netherlands | 5.24 | 7.31 | -0.91 | 18.7 | -22.7 | 350 | |
| Norway | 2.75 | 3.45 | -0.64 | 8.1 | -7.5 | 22 | |
| Poland | 5.54 | 7.00 | -2.16 | 13.9 | -19.3 | 87 | |
| Spain | 2.85 | 3.34 | -1.41 | 5.7 | -6.8 | 65 | |
| Sweden | 2.51 | 3.72 | -1.88 | 3.2 | -10.1 | 22 | |
| Ukraine | 5.17 | 6.45 | -0.22 | 13.7 | -16.1 | 66 | |
| United Kingdom | 4.46 | 6.28 | 0.40 | 17.6 | -19.4 | 1170 |