| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.37 | 5.71 | -0.75 | 21.8 | -18.8 | 3857 | |
| Austria | 5.35 | 6.68 | -0.42 | 15.1 | -16.5 | 135 | |
| Czech Republic | 5.45 | 7.08 | -0.17 | 16.4 | -18.0 | 81 | |
| Denmark | 2.87 | 3.69 | 0.16 | 8.0 | -6.7 | 26 | |
| France | 4.62 | 5.89 | -1.01 | 13.7 | -14.1 | 593 | |
| Germany | 5.51 | 6.95 | -0.79 | 21.8 | -17.8 | 750 | |
| Guernsey | 2.86 | 4.13 | 1.14 | 11.6 | -7.3 | 27 | |
| Hungary | 4.47 | 5.72 | 0.71 | 12.9 | -9.8 | 26 | |
| Ireland | 2.99 | 3.74 | -1.23 | 6.1 | -7.8 | 27 | |
| Isle of Man | 2.44 | 3.22 | -0.17 | 5.7 | -7.2 | 27 | |
| Jersey | 2.96 | 4.39 | 0.97 | 11.7 | -8.9 | 27 | |
| Netherlands | 5.12 | 6.49 | -1.49 | 15.0 | -18.8 | 430 | |
| Norway | 3.03 | 4.25 | -0.08 | 10.4 | -10.6 | 21 | |
| Poland | 4.85 | 6.23 | -1.65 | 13.2 | -17.2 | 108 | |
| Spain | 2.84 | 3.65 | -1.77 | 5.7 | -10.6 | 81 | |
| Sweden | 3.15 | 4.34 | -0.68 | 10.0 | -8.5 | 27 | |
| Ukraine | 4.88 | 6.33 | -2.17 | 9.9 | -17.0 | 63 | |
| United Kingdom | 3.49 | 4.56 | -0.41 | 17.6 | -15.0 | 1408 |