| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.11 | 6.97 | 0.07 | 25.0 | -24.3 | 3311 | |
| Austria | 5.76 | 7.71 | -1.20 | 16.4 | -19.9 | 110 | |
| Belgium | 5.00 | 6.78 | 1.84 | 16.8 | -12.1 | 22 | |
| Czech Republic | 6.55 | 8.69 | -0.56 | 17.4 | -21.6 | 66 | |
| Denmark | 3.03 | 3.98 | -1.46 | 5.1 | -10.3 | 22 | |
| France | 4.87 | 6.50 | 1.60 | 17.8 | -16.6 | 481 | |
| Germany | 6.00 | 8.27 | -0.30 | 25.0 | -22.7 | 616 | |
| Guernsey | 4.81 | 6.36 | 2.72 | 13.5 | -10.3 | 22 | |
| Hungary | 6.14 | 8.43 | -0.78 | 16.5 | -20.5 | 22 | |
| Ireland | 3.81 | 4.62 | 0.75 | 8.6 | -7.8 | 22 | |
| Isle of Man | 4.03 | 5.20 | 0.02 | 11.1 | -10.9 | 22 | |
| Jersey | 4.98 | 6.79 | 3.08 | 14.5 | -8.9 | 22 | |
| Liechtenstein | 5.28 | 7.19 | -3.01 | 11.2 | -17.2 | 21 | |
| Netherlands | 4.82 | 7.06 | -0.38 | 18.6 | -18.4 | 350 | |
| Norway | 3.44 | 4.41 | -0.75 | 12.4 | -7.1 | 22 | |
| Poland | 7.46 | 9.43 | -1.98 | 14.2 | -24.3 | 66 | |
| Spain | 2.26 | 3.13 | -0.58 | 8.3 | -10.3 | 66 | |
| Sweden | 3.10 | 3.51 | -1.76 | 4.4 | -8.1 | 22 | |
| Switzerland | 5.06 | 6.65 | -1.74 | 15.6 | -18.2 | 104 | |
| Ukraine | 6.37 | 8.24 | -0.54 | 17.9 | -20.6 | 66 | |
| United Kingdom | 4.79 | 6.28 | 0.28 | 16.2 | -17.1 | 1167 |
| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.12 | 5.94 | -1.03 | 20.9 | -26.3 | 4222 | |
| Austria | 5.82 | 7.94 | -2.91 | 16.0 | -22.1 | 140 | |
| Belgium | 3.56 | 5.33 | 0.59 | 9.6 | -17.0 | 28 | |
| Czech Republic | 5.90 | 7.99 | -1.55 | 10.2 | -22.5 | 84 | |
| Denmark | 2.50 | 3.30 | -0.04 | 7.6 | -8.8 | 28 | |
| France | 4.16 | 5.94 | -0.26 | 18.5 | -21.7 | 613 | |
| Germany | 5.39 | 7.50 | -1.46 | 20.9 | -23.1 | 784 | |
| Guernsey | 3.15 | 4.92 | 1.27 | 14.8 | -10.5 | 28 | |
| Hungary | 5.48 | 8.22 | -2.54 | 14.2 | -23.3 | 28 | |
| Ireland | 2.90 | 3.98 | -0.42 | 8.3 | -9.3 | 28 | |
| Isle of Man | 2.74 | 3.81 | -0.74 | 5.9 | -10.8 | 28 | |
| Jersey | 3.38 | 5.19 | 1.13 | 14.2 | -10.3 | 28 | |
| Liechtenstein | 6.47 | 8.23 | -5.55 | 7.9 | -24.2 | 27 | |
| Netherlands | 3.62 | 5.29 | -0.61 | 13.8 | -20.9 | 446 | |
| Norway | 3.46 | 4.28 | -0.07 | 8.9 | -7.1 | 28 | |
| Poland | 5.36 | 7.97 | -2.43 | 15.2 | -26.3 | 84 | |
| Spain | 2.38 | 3.39 | -0.77 | 7.7 | -14.1 | 84 | |
| Sweden | 4.40 | 5.43 | -2.00 | 9.5 | -11.1 | 28 | |
| Switzerland | 5.23 | 6.88 | -3.72 | 15.0 | -21.8 | 134 | |
| Ukraine | 6.24 | 8.19 | -2.30 | 11.8 | -25.8 | 84 | |
| United Kingdom | 3.20 | 4.48 | -0.71 | 13.5 | -18.7 | 1490 |