| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| Europe | 4.01 | 5.43 | -0.75 | 19.5 | -18.6 | 3712 | |
| Austria | 4.73 | 6.22 | -1.13 | 14.4 | -16.8 | 130 | |
| Czech Republic | 5.11 | 7.17 | 0.21 | 18.3 | -18.6 | 78 | |
| Denmark | 2.89 | 3.56 | 0.30 | 8.8 | -4.3 | 26 | |
| France | 4.04 | 5.27 | -0.92 | 14.9 | -13.0 | 571 | |
| Germany | 5.09 | 6.66 | -0.75 | 18.9 | -18.0 | 722 | |
| Guernsey | 2.77 | 3.68 | 1.44 | 9.8 | -5.3 | 26 | |
| Hungary | 3.90 | 5.53 | -0.68 | 14.3 | -15.0 | 25 | |
| Ireland | 2.72 | 3.40 | -1.23 | 7.8 | -6.8 | 26 | |
| Isle of Man | 2.03 | 2.81 | -0.29 | 6.6 | -6.1 | 26 | |
| Jersey | 2.89 | 3.95 | 1.42 | 10.1 | -5.9 | 26 | |
| Netherlands | 4.37 | 5.87 | -0.71 | 15.9 | -17.8 | 414 | |
| Norway | 4.02 | 5.20 | -0.05 | 11.5 | -8.2 | 20 | |
| Poland | 5.48 | 7.06 | -1.40 | 16.9 | -14.8 | 104 | |
| Spain | 3.01 | 3.84 | -1.83 | 4.7 | -11.7 | 78 | |
| Sweden | 4.15 | 4.86 | -0.45 | 7.8 | -9.2 | 26 | |
| Ukraine | 5.53 | 6.99 | -3.27 | 19.0 | -15.8 | 60 | |
| United Kingdom | 3.19 | 4.33 | -0.61 | 19.5 | -12.4 | 1354 |