Table 1. Validation statistics for the TPS interpolation procedure showing R2, Pc, MAE (°C) and RMSE (°C) values—averaged for each AWS site according to the season.
| Summer | Autumn | Winter | Spring | |
|---|---|---|---|---|
| R2 | ||||
| mean | 0.89 | 0.91 | 0.86 | 0.91 |
| min | 0.05 | 0.02 | 0.01 | 0.01 |
| max | 0.99 | 0.99 | 0.97 | 0.99 |
| sd | 0.11 | 0.09 | 0.11 | 0.09 |
| Pc | ||||
| mean | 0.92 | 0.94 | 0.92 | 0.93 |
| min | 0.18 | 0.14 | 0.18 | 0.09 |
| max | 0.99 | 0.99 | 0.99 | 0.99 |
| sd | 0.09 | 0.08 | 0.09 | 0.08 |
| MAE | ||||
| mean | 1.2 | 1.2 | 1.3 | 1.3 |
| min | 0.5 | 0.5 | 0.5 | 0.6 |
| max | 3.2 | 2.8 | 3.3 | 3.6 |
| sd | 0.4 | 0.4 | 0.5 | 0.5 |
| RMSE | ||||
| mean | 1.6 | 1.6 | 1.7 | 1.7 |
| min | 0.6 | 0.7 | 0.7 | 0.8 |
| max | 4.3 | 3.5 | 4.3 | 4.3 |
| sd | 0.5 | 0.5 | 0.6 | 0.6 |
Note:
sd, standard deviation; min, minimum; max, maximum.