| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | Min. Error | Cases |
|---|---|---|---|---|---|---|---|
| All Stations | 3.54 | 4.89 | 0.03 | 28.1 | -29.8 | 6811 | |
| Africa | 2.69 | 3.19 | -1.80 | 5.9 | -7.3 | 103 | |
| Asia | 5.64 | 8.50 | -0.98 | 25.8 | -21.4 | 48 | |
| Europe | 3.19 | 4.47 | 0.37 | 28.1 | -22.7 | 3476 | |
| North America | 4.15 | 5.50 | -0.18 | 21.0 | -29.8 | 2873 | |
| Oceania | 2.08 | 2.67 | -0.98 | 8.5 | -11.1 | 216 | |
| South America | 1.45 | 1.74 | -1.14 | 2.6 | -4.2 | 95 |