| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.15 | 6.97 | -0.52 | 21.2 | -23.1 | 2896 | |
| Austria | 6.69 | 8.72 | -1.35 | 18.2 | -20.4 | 100 | |
| Czech Republic | 6.92 | 8.88 | -1.02 | 18.1 | -19.3 | 60 | |
| Denmark | 3.85 | 4.75 | -1.25 | 11.7 | -7.9 | 20 | |
| France | 5.29 | 7.11 | -0.24 | 18.3 | -23.1 | 439 | |
| Germany | 6.14 | 8.13 | -0.05 | 20.9 | -20.5 | 560 | |
| Guernsey | 4.02 | 5.84 | 1.33 | 15.2 | -8.1 | 20 | |
| Hungary | 8.15 | 10.08 | -2.60 | 20.3 | -16.7 | 20 | |
| Ireland | 3.84 | 4.96 | 0.33 | 14.3 | -7.2 | 20 | |
| Isle of Man | 3.45 | 4.66 | -0.01 | 12.3 | -8.3 | 20 | |
| Jersey | 4.47 | 6.25 | 1.50 | 14.8 | -8.4 | 20 | |
| Netherlands | 5.20 | 6.96 | -0.25 | 16.2 | -16.6 | 318 | |
| Norway | 4.76 | 6.07 | -1.16 | 12.9 | -14.6 | 20 | |
| Poland | 6.12 | 7.65 | -2.41 | 17.8 | -14.0 | 80 | |
| Spain | 3.26 | 3.97 | -2.25 | 5.1 | -9.1 | 60 | |
| Sweden | 5.55 | 6.55 | -0.41 | 12.5 | -13.0 | 20 | |
| Ukraine | 5.56 | 7.30 | -2.58 | 20.9 | -14.1 | 60 | |
| United Kingdom | 4.39 | 6.02 | -0.55 | 21.2 | -19.4 | 1059 |