| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.22 | 5.64 | -1.00 | 19.8 | -20.5 | 4013 | |
| Austria | 5.17 | 6.47 | -1.40 | 14.0 | -18.5 | 140 | |
| Czech Republic | 5.19 | 7.09 | -0.71 | 14.5 | -19.3 | 84 | |
| Denmark | 2.78 | 3.53 | 1.10 | 8.5 | -5.5 | 28 | |
| France | 4.16 | 5.48 | -0.81 | 15.1 | -15.6 | 614 | |
| Germany | 5.29 | 7.05 | -1.32 | 19.8 | -20.5 | 778 | |
| Guernsey | 3.03 | 4.04 | 1.74 | 9.5 | -6.6 | 28 | |
| Hungary | 4.35 | 5.27 | 0.97 | 12.5 | -8.6 | 28 | |
| Ireland | 2.95 | 3.72 | -1.12 | 4.9 | -8.9 | 28 | |
| Isle of Man | 2.52 | 3.36 | 0.02 | 6.5 | -6.7 | 28 | |
| Jersey | 3.27 | 4.37 | 1.68 | 10.1 | -7.4 | 28 | |
| Netherlands | 4.79 | 6.20 | -1.56 | 19.1 | -17.3 | 446 | |
| Norway | 3.64 | 4.56 | -0.66 | 12.2 | -7.7 | 22 | |
| Poland | 5.04 | 6.67 | -1.77 | 10.6 | -19.5 | 112 | |
| Spain | 2.30 | 3.16 | -0.99 | 5.5 | -9.9 | 84 | |
| Sweden | 3.97 | 4.79 | -1.76 | 8.8 | -8.9 | 28 | |
| Ukraine | 5.09 | 6.65 | -1.52 | 8.8 | -18.2 | 66 | |
| United Kingdom | 3.50 | 4.55 | -0.82 | 13.3 | -14.5 | 1471 |