| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.11 | 6.88 | 0.01 | 21.9 | -22.1 | 3041 | |
| Austria | 7.22 | 9.24 | -0.05 | 18.1 | -21.2 | 105 | |
| Czech Republic | 6.02 | 7.64 | -0.50 | 18.1 | -16.8 | 63 | |
| Denmark | 4.30 | 5.40 | -0.57 | 11.0 | -8.2 | 21 | |
| France | 5.55 | 7.42 | 0.45 | 19.2 | -22.1 | 460 | |
| Germany | 6.05 | 7.80 | 0.16 | 21.9 | -21.9 | 585 | |
| Guernsey | 5.26 | 6.75 | 1.40 | 14.7 | -12.3 | 21 | |
| Hungary | 8.29 | 10.19 | -1.94 | 20.2 | -19.2 | 21 | |
| Ireland | 3.93 | 4.88 | 1.11 | 11.7 | -8.9 | 21 | |
| Isle of Man | 3.85 | 5.10 | -0.36 | 11.1 | -10.7 | 21 | |
| Jersey | 5.13 | 6.96 | 1.33 | 16.0 | -12.6 | 21 | |
| Netherlands | 5.31 | 7.12 | -0.38 | 20.7 | -16.9 | 334 | |
| Norway | 3.25 | 4.26 | 0.01 | 8.6 | -9.2 | 21 | |
| Poland | 4.95 | 6.40 | -2.02 | 17.8 | -12.3 | 83 | |
| Spain | 3.39 | 4.10 | -2.46 | 7.1 | -11.3 | 62 | |
| Sweden | 3.45 | 4.47 | -0.61 | 8.5 | -8.5 | 21 | |
| Ukraine | 4.70 | 6.26 | -1.15 | 13.3 | -18.1 | 63 | |
| United Kingdom | 4.34 | 5.98 | 0.25 | 16.0 | -16.5 | 1118 |