| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 3.37 | 4.82 | 1.17 | 19.5 | -16.3 | 3476 | |
| Austria | 3.63 | 5.38 | 1.43 | 16.8 | -16.0 | 120 | |
| Czech Republic | 4.04 | 5.57 | 1.53 | 12.7 | -16.1 | 72 | |
| Denmark | 2.13 | 2.76 | -0.16 | 6.2 | -5.7 | 24 | |
| France | 3.56 | 5.14 | 2.29 | 19.5 | -14.1 | 526 | |
| Germany | 4.00 | 5.55 | 1.89 | 19.5 | -16.3 | 669 | |
| Guernsey | 3.67 | 5.50 | 2.89 | 17.3 | -5.8 | 24 | |
| Hungary | 3.41 | 5.01 | 0.08 | 13.3 | -14.9 | 24 | |
| Ireland | 3.25 | 4.81 | 1.01 | 12.7 | -12.1 | 24 | |
| Isle of Man | 3.16 | 4.74 | 0.19 | 12.7 | -12.4 | 24 | |
| Jersey | 3.48 | 5.37 | 2.75 | 15.6 | -4.1 | 24 | |
| Netherlands | 3.14 | 4.43 | 0.52 | 13.6 | -10.3 | 382 | |
| Norway | 1.96 | 2.62 | 0.33 | 7.0 | -5.3 | 24 | |
| Poland | 3.74 | 5.34 | -0.09 | 13.8 | -16.2 | 95 | |
| Spain | 2.54 | 3.05 | -1.28 | 4.7 | -6.1 | 71 | |
| Sweden | 2.31 | 3.09 | -1.19 | 2.8 | -8.3 | 24 | |
| Ukraine | 3.99 | 5.12 | -1.12 | 10.4 | -13.7 | 72 | |
| United Kingdom | 3.02 | 4.35 | 0.90 | 18.0 | -16.1 | 1277 |