| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.14 | 5.90 | 0.34 | 20.3 | -21.2 | 3324 | |
| Austria | 4.42 | 6.31 | 0.08 | 16.0 | -16.8 | 115 | |
| Czech Republic | 5.14 | 7.17 | -0.18 | 17.0 | -18.6 | 69 | |
| Denmark | 2.82 | 3.76 | -1.26 | 4.7 | -8.8 | 23 | |
| France | 4.17 | 5.95 | 1.73 | 19.6 | -14.4 | 505 | |
| Germany | 4.97 | 6.90 | 0.87 | 20.3 | -20.3 | 644 | |
| Guernsey | 4.29 | 6.14 | 2.69 | 14.7 | -9.4 | 23 | |
| Hungary | 4.60 | 6.49 | -0.32 | 14.6 | -18.1 | 22 | |
| Ireland | 3.88 | 4.92 | -0.72 | 9.5 | -9.6 | 23 | |
| Isle of Man | 3.84 | 5.31 | -0.78 | 11.7 | -11.9 | 23 | |
| Jersey | 4.37 | 6.43 | 2.70 | 14.3 | -9.6 | 23 | |
| Netherlands | 3.70 | 5.37 | -0.43 | 15.2 | -15.2 | 366 | |
| Norway | 2.31 | 2.82 | -0.33 | 5.1 | -4.5 | 23 | |
| Poland | 5.87 | 8.06 | -1.85 | 14.6 | -21.2 | 92 | |
| Spain | 2.33 | 2.96 | -1.44 | 4.0 | -8.7 | 69 | |
| Sweden | 1.47 | 1.99 | -0.65 | 2.5 | -4.8 | 23 | |
| Ukraine | 5.44 | 6.95 | -1.09 | 16.8 | -17.8 | 69 | |
| United Kingdom | 3.73 | 5.31 | 0.14 | 16.7 | -18.7 | 1212 |