| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 5.13 | 6.86 | -0.39 | 20.6 | -22.0 | 3044 | |
| Austria | 6.80 | 8.74 | -1.65 | 19.6 | -22.0 | 105 | |
| Czech Republic | 6.66 | 8.53 | -1.25 | 19.4 | -19.3 | 63 | |
| Denmark | 4.09 | 5.07 | -0.04 | 13.3 | -6.5 | 21 | |
| France | 5.25 | 7.00 | -0.14 | 18.0 | -21.6 | 460 | |
| Germany | 5.97 | 7.67 | -0.57 | 20.6 | -18.4 | 588 | |
| Guernsey | 4.03 | 5.66 | 1.39 | 14.3 | -10.5 | 21 | |
| Hungary | 7.53 | 9.50 | -1.85 | 20.6 | -17.9 | 21 | |
| Ireland | 3.54 | 4.92 | 0.74 | 12.4 | -9.4 | 21 | |
| Isle of Man | 4.08 | 5.30 | 0.57 | 10.9 | -10.2 | 21 | |
| Jersey | 4.73 | 6.25 | 1.83 | 15.2 | -10.3 | 21 | |
| Netherlands | 5.54 | 7.58 | -0.30 | 18.8 | -15.9 | 334 | |
| Norway | 5.09 | 5.90 | -0.78 | 10.6 | -11.8 | 21 | |
| Poland | 5.71 | 7.67 | -2.60 | 18.8 | -19.0 | 84 | |
| Spain | 2.94 | 3.51 | -2.20 | 6.7 | -8.8 | 63 | |
| Sweden | 4.77 | 5.96 | -1.40 | 10.7 | -12.1 | 21 | |
| Ukraine | 5.97 | 7.59 | -1.84 | 15.6 | -17.5 | 63 | |
| United Kingdom | 4.37 | 5.87 | 0.03 | 15.9 | -15.6 | 1116 |