| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.04 | 5.50 | -0.35 | 22.5 | -21.6 | 4003 | |
| Austria | 5.15 | 6.35 | 0.12 | 16.1 | -17.8 | 140 | |
| Czech Republic | 5.41 | 7.26 | -0.05 | 15.5 | -20.2 | 84 | |
| Denmark | 2.54 | 3.29 | -0.38 | 7.7 | -6.6 | 27 | |
| France | 3.91 | 5.17 | 0.05 | 13.6 | -13.6 | 615 | |
| Germany | 4.94 | 6.68 | -0.49 | 22.5 | -19.6 | 778 | |
| Guernsey | 2.93 | 4.18 | 1.53 | 9.8 | -6.2 | 28 | |
| Hungary | 4.95 | 6.16 | 0.74 | 11.9 | -16.2 | 27 | |
| Ireland | 2.60 | 3.38 | -0.61 | 5.7 | -8.4 | 28 | |
| Isle of Man | 2.16 | 3.16 | -0.01 | 7.9 | -7.9 | 28 | |
| Jersey | 2.96 | 4.36 | 1.50 | 9.9 | -6.3 | 28 | |
| Netherlands | 4.57 | 6.25 | -1.35 | 16.8 | -17.8 | 446 | |
| Norway | 2.74 | 3.64 | -0.55 | 10.2 | -6.6 | 22 | |
| Poland | 5.13 | 6.75 | -1.50 | 12.6 | -21.6 | 112 | |
| Spain | 2.49 | 3.13 | -1.09 | 5.4 | -9.1 | 84 | |
| Sweden | 3.06 | 4.15 | -1.26 | 9.3 | -11.2 | 28 | |
| Ukraine | 5.23 | 6.68 | -1.18 | 12.7 | -16.2 | 66 | |
| United Kingdom | 3.37 | 4.51 | -0.09 | 17.0 | -13.7 | 1462 |