| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 3.61 | 5.15 | 0.67 | 19.3 | -23.6 | 3478 | |
| Austria | 3.85 | 5.49 | -0.02 | 16.4 | -16.1 | 120 | |
| Czech Republic | 4.36 | 6.07 | 0.94 | 13.4 | -15.9 | 72 | |
| Denmark | 2.36 | 2.80 | 0.31 | 4.9 | -4.6 | 24 | |
| France | 3.53 | 5.15 | 1.74 | 17.9 | -15.6 | 526 | |
| Germany | 4.21 | 5.92 | 1.00 | 19.3 | -17.3 | 672 | |
| Guernsey | 3.80 | 5.32 | 2.74 | 13.3 | -9.1 | 24 | |
| Hungary | 3.25 | 5.33 | -0.20 | 13.7 | -14.1 | 24 | |
| Ireland | 2.77 | 3.97 | -0.09 | 11.1 | -9.1 | 24 | |
| Isle of Man | 3.21 | 4.55 | 0.33 | 13.2 | -10.9 | 24 | |
| Jersey | 3.92 | 5.64 | 3.16 | 15.5 | -6.9 | 24 | |
| Netherlands | 3.33 | 4.74 | 0.30 | 12.8 | -12.7 | 382 | |
| Norway | 2.29 | 3.31 | -0.02 | 7.7 | -9.4 | 24 | |
| Poland | 5.18 | 7.17 | -0.99 | 15.7 | -19.2 | 96 | |
| Spain | 1.88 | 2.25 | -0.99 | 5.6 | -6.1 | 72 | |
| Sweden | 2.95 | 3.76 | -1.92 | 3.9 | -8.4 | 24 | |
| Ukraine | 5.00 | 6.65 | -1.90 | 12.0 | -23.6 | 72 | |
| United Kingdom | 3.34 | 4.64 | 0.59 | 15.8 | -15.9 | 1274 |