| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.07 | 6.99 | -0.51 | 20.2 | -23.2 | 3188 | |
| Austria | 6.27 | 8.30 | -2.02 | 16.8 | -22.0 | 110 | |
| Czech Republic | 6.48 | 8.67 | -1.69 | 16.4 | -20.3 | 66 | |
| Denmark | 3.43 | 4.31 | -0.40 | 8.5 | -7.8 | 22 | |
| France | 5.30 | 7.25 | 0.61 | 18.1 | -23.2 | 482 | |
| Germany | 6.04 | 8.18 | -1.00 | 20.2 | -22.1 | 616 | |
| Guernsey | 4.18 | 5.98 | 1.87 | 12.3 | -11.3 | 22 | |
| Hungary | 6.68 | 8.91 | -1.87 | 12.2 | -17.2 | 22 | |
| Ireland | 3.35 | 4.75 | 0.58 | 11.4 | -11.0 | 22 | |
| Isle of Man | 4.21 | 5.44 | -0.09 | 11.4 | -11.9 | 22 | |
| Jersey | 4.81 | 6.81 | 2.15 | 14.8 | -11.5 | 22 | |
| Netherlands | 5.30 | 7.44 | -0.82 | 17.5 | -18.9 | 350 | |
| Norway | 3.81 | 5.11 | -1.15 | 11.6 | -9.9 | 22 | |
| Poland | 6.43 | 8.04 | -2.87 | 11.6 | -20.0 | 88 | |
| Spain | 2.28 | 2.76 | -1.22 | 6.0 | -7.4 | 66 | |
| Sweden | 3.23 | 4.18 | -2.11 | 4.9 | -9.5 | 22 | |
| Ukraine | 5.61 | 7.28 | -1.50 | 9.4 | -18.8 | 66 | |
| United Kingdom | 4.36 | 5.96 | -0.20 | 14.7 | -19.3 | 1168 |