| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.31 | 5.76 | -1.30 | 19.3 | -19.4 | 4011 | |
| Austria | 6.67 | 8.17 | -3.68 | 13.4 | -18.9 | 140 | |
| Czech Republic | 5.81 | 7.60 | -1.40 | 18.2 | -19.4 | 84 | |
| Denmark | 2.50 | 3.28 | -0.74 | 6.4 | -7.4 | 28 | |
| France | 4.48 | 5.69 | -0.79 | 15.0 | -15.6 | 614 | |
| Germany | 5.55 | 7.12 | -2.07 | 19.3 | -18.5 | 775 | |
| Guernsey | 2.98 | 3.94 | 0.59 | 8.4 | -6.3 | 28 | |
| Hungary | 5.52 | 6.63 | 0.19 | 11.3 | -16.1 | 28 | |
| Ireland | 2.76 | 3.71 | -1.06 | 6.1 | -8.7 | 28 | |
| Isle of Man | 2.06 | 3.01 | -0.73 | 8.8 | -6.6 | 28 | |
| Jersey | 3.27 | 4.18 | 0.00 | 8.5 | -7.5 | 28 | |
| Netherlands | 4.98 | 6.46 | -2.14 | 15.1 | -18.2 | 446 | |
| Norway | 2.57 | 3.38 | -1.55 | 4.1 | -8.2 | 22 | |
| Poland | 5.22 | 6.78 | -2.63 | 13.4 | -18.8 | 111 | |
| Spain | 2.71 | 3.39 | -2.14 | 3.9 | -8.7 | 83 | |
| Sweden | 3.65 | 4.66 | -2.48 | 8.6 | -11.5 | 28 | |
| Ukraine | 5.05 | 6.42 | -1.91 | 9.8 | -18.0 | 66 | |
| United Kingdom | 3.24 | 4.38 | -0.54 | 12.3 | -13.8 | 1474 |