Table 8: The Correlation between rainfall characteristics and Teff production.
| Rainfall characteristics | Correlation (r) |
| Onset | -0.1 |
| Cessation | 0.54 |
| Length of growing period | 0.53 |
| Number of rainy days | 0.54 |
| Amount of rainfall | 0.52 |
| Number of dry days | -0.54 |
| Number of very heavy rainfall | 0.31 |
| Simple daily intensity index | 0.48 |