| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 3.19 | 4.47 | 0.37 | 28.1 | -22.7 | 3476 | |
| Austria | 3.39 | 4.80 | -0.62 | 14.1 | -21.2 | 120 | |
| Czech Republic | 3.77 | 5.15 | 1.00 | 12.2 | -18.0 | 72 | |
| Denmark | 2.16 | 2.84 | 0.21 | 4.4 | -7.3 | 24 | |
| France | 2.95 | 4.47 | 1.28 | 18.0 | -11.7 | 525 | |
| Germany | 3.67 | 5.22 | 0.54 | 20.0 | -19.4 | 672 | |
| Guernsey | 3.27 | 4.81 | 2.36 | 13.5 | -2.8 | 24 | |
| Hungary | 2.61 | 3.52 | 0.48 | 8.8 | -8.3 | 24 | |
| Ireland | 2.82 | 4.08 | 0.93 | 10.1 | -9.1 | 24 | |
| Isle of Man | 2.75 | 3.37 | 0.25 | 8.6 | -7.0 | 24 | |
| Jersey | 2.97 | 4.73 | 2.25 | 13.8 | -3.3 | 24 | |
| Netherlands | 3.05 | 4.17 | -0.02 | 12.7 | -13.2 | 382 | |
| Norway | 2.47 | 3.24 | -0.53 | 4.7 | -8.0 | 24 | |
| Poland | 3.96 | 5.63 | -0.72 | 10.8 | -17.0 | 96 | |
| Spain | 1.96 | 2.46 | -0.39 | 7.9 | -6.2 | 72 | |
| Sweden | 2.63 | 3.47 | -0.76 | 6.2 | -8.5 | 24 | |
| Ukraine | 5.05 | 6.68 | -1.63 | 10.5 | -22.7 | 72 | |
| United Kingdom | 3.00 | 3.94 | 0.28 | 28.1 | -11.9 | 1273 |