| Variable | Region | Growing season* | Annual |
| Rainfall (mm) | OK | 181.0 | 323.2 |
| LFV | 465.7 | 1535.6 | |
| VI | 285.9 | 1270.7 | |
| Growing degree— above 5˚C | OK | 1937.6 | 2274.0 |
| LFV | 1844.9 | 2207.8 | |
| VI | 1668.6 | 1942.9 |