| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.83 | 6.61 | 0.25 | 21.4 | -23.5 | 3332 | |
| Austria | 5.38 | 7.22 | -0.73 | 17.0 | -20.1 | 115 | |
| Czech Republic | 6.22 | 8.13 | -0.54 | 16.0 | -20.6 | 69 | |
| Denmark | 3.05 | 4.04 | -1.40 | 6.4 | -9.7 | 23 | |
| France | 4.64 | 6.25 | 1.72 | 17.7 | -15.4 | 504 | |
| Germany | 5.58 | 7.62 | 0.07 | 21.4 | -22.0 | 644 | |
| Guernsey | 4.45 | 6.10 | 2.80 | 13.9 | -7.9 | 23 | |
| Hungary | 6.00 | 8.04 | -0.61 | 15.6 | -19.7 | 23 | |
| Ireland | 3.57 | 4.52 | 0.51 | 7.7 | -8.6 | 23 | |
| Isle of Man | 4.01 | 5.23 | 0.14 | 11.1 | -10.7 | 23 | |
| Jersey | 4.81 | 6.63 | 3.35 | 14.9 | -5.8 | 23 | |
| Netherlands | 4.47 | 6.51 | -0.21 | 16.8 | -18.6 | 366 | |
| Norway | 3.18 | 4.00 | 0.01 | 11.4 | -7.0 | 23 | |
| Poland | 6.71 | 8.98 | -1.88 | 15.3 | -23.5 | 92 | |
| Spain | 2.23 | 2.92 | -1.11 | 5.7 | -10.2 | 69 | |
| Sweden | 2.48 | 3.03 | -1.39 | 4.9 | -5.8 | 23 | |
| Ukraine | 5.89 | 7.71 | -0.39 | 17.5 | -21.6 | 69 | |
| United Kingdom | 4.57 | 6.07 | 0.28 | 16.7 | -16.3 | 1220 |