| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| All Stations | 5.41 | 7.17 | -0.52 | 27.8 | -30.3 | 6024 | |
| Africa | 2.99 | 3.72 | -1.41 | 8.0 | -11.8 | 132 | |
| Asia | 8.35 | 10.76 | -0.24 | 27.8 | -27.2 | 119 | |
| Europe | 5.42 | 7.26 | -0.56 | 23.5 | -30.3 | 3028 | |
| North America | 5.80 | 7.41 | -0.44 | 25.8 | -29.6 | 2370 | |
| Oceania | 2.92 | 3.88 | -0.13 | 13.7 | -13.0 | 299 | |
| South America | 1.78 | 2.11 | -1.35 | 3.7 | -5.0 | 76 |