| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.42 | 7.26 | -0.56 | 23.5 | -30.3 | 3028 | |
| Austria | 7.52 | 9.48 | -1.80 | 19.3 | -26.5 | 100 | |
| Belgium | 5.24 | 7.01 | 1.57 | 14.4 | -11.7 | 20 | |
| Czech Republic | 7.80 | 10.20 | -0.80 | 21.9 | -23.2 | 60 | |
| Denmark | 3.74 | 4.81 | -0.14 | 12.6 | -7.4 | 20 | |
| France | 5.27 | 7.01 | -0.07 | 16.7 | -22.1 | 437 | |
| Germany | 6.48 | 8.51 | -0.37 | 23.5 | -24.6 | 560 | |
| Guernsey | 4.40 | 5.95 | 1.46 | 13.7 | -10.7 | 20 | |
| Hungary | 7.33 | 9.37 | -1.86 | 21.5 | -15.2 | 20 | |
| Ireland | 3.66 | 4.59 | 0.02 | 12.3 | -8.4 | 20 | |
| Isle of Man | 3.41 | 4.53 | 0.13 | 9.9 | -9.6 | 20 | |
| Jersey | 4.71 | 6.32 | 1.56 | 14.6 | -11.7 | 20 | |
| Liechtenstein | 6.13 | 8.53 | -3.91 | 7.5 | -28.3 | 20 | |
| Netherlands | 5.65 | 7.63 | 0.33 | 20.0 | -17.1 | 318 | |
| Norway | 5.96 | 7.19 | -1.72 | 15.6 | -15.7 | 20 | |
| Poland | 6.48 | 8.20 | -2.22 | 18.9 | -16.4 | 60 | |
| Spain | 2.88 | 3.58 | -1.61 | 6.9 | -9.1 | 60 | |
| Sweden | 5.97 | 6.80 | -1.03 | 11.7 | -12.6 | 20 | |
| Switzerland | 5.94 | 8.13 | -3.43 | 16.0 | -30.3 | 99 | |
| Ukraine | 6.39 | 8.35 | -2.59 | 18.3 | -20.6 | 60 | |
| United Kingdom | 4.58 | 6.06 | -0.50 | 21.9 | -17.6 | 1074 |