| Climate variables | describe | Contribution rate |
| Bio13 | Rainfall in the wettest month | 29.5% |
| Bio14 | Rainfall in the driest month | 27.5% |
| Bio3 | Ratio of diurnal temperature difference to annual temperature difference | 15% |
| Bio6 | Lowest temperature in the coldest month | 14.2% |
| Bio2 | Monthly mean temperature difference between day and night | 4.9% |
| Bio9 | Average temperature in the driest quarter | 2.4% |
| Bio19 | Coldest season precipitation | 1.9% |
| Bio4 | Standard deviation of seasonal variation of temperature | 1.2% |
| Alt | altitude | 0.8% |
| Bio5 | Highest temperature in hottest month | 0.8% |
| Slope | slope | 0.8% |
| Bio15 | Variance of rainfall variation | 0.5% |
| Aspect | Slope direction | 0.3% |