| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.45 | 5.97 | -0.80 | 22.6 | -22.7 | 3888 | |
| Austria | 5.69 | 7.31 | -0.70 | 19.1 | -20.8 | 130 | |
| Belgium | 4.07 | 5.36 | 0.94 | 11.3 | -10.0 | 26 | |
| Czech Republic | 5.87 | 8.11 | 0.09 | 21.0 | -21.2 | 78 | |
| Denmark | 3.13 | 3.90 | 1.38 | 9.9 | -4.2 | 26 | |
| France | 4.40 | 5.57 | -0.75 | 15.0 | -15.3 | 569 | |
| Germany | 5.40 | 7.19 | -0.61 | 22.6 | -20.4 | 722 | |
| Guernsey | 3.34 | 4.10 | 1.92 | 10.3 | -5.3 | 26 | |
| Hungary | 4.17 | 5.73 | 0.68 | 17.0 | -12.5 | 26 | |
| Ireland | 3.12 | 3.75 | -1.39 | 8.1 | -8.0 | 26 | |
| Isle of Man | 2.39 | 3.09 | -0.11 | 7.5 | -6.6 | 26 | |
| Jersey | 3.44 | 4.31 | 1.83 | 10.3 | -5.6 | 26 | |
| Liechtenstein | 8.47 | 10.10 | -7.51 | 5.5 | -22.7 | 26 | |
| Netherlands | 4.65 | 6.39 | -0.30 | 20.0 | -17.5 | 414 | |
| Norway | 4.81 | 5.91 | -0.58 | 13.7 | -10.5 | 20 | |
| Poland | 5.57 | 7.16 | -0.85 | 17.5 | -15.2 | 78 | |
| Spain | 2.93 | 3.67 | -1.19 | 7.3 | -9.0 | 78 | |
| Sweden | 4.78 | 5.66 | -0.29 | 10.5 | -10.3 | 26 | |
| Switzerland | 5.51 | 7.04 | -3.48 | 15.0 | -20.6 | 129 | |
| Ukraine | 5.77 | 7.53 | -2.07 | 16.9 | -19.7 | 60 | |
| United Kingdom | 3.63 | 4.81 | -0.88 | 20.3 | -14.6 | 1376 |