| S1 | S2 | S3 | N | Adapted from |
Rainfall | 350 - 600 mm | 600 - 1000 mm or 300 - 350 mm | >1000 mm or 230 - 300 mm | <230 mm | [31] |
Temperature | 30˚C - 24˚C | 24˚C - 20˚C | 20˚C - 15˚C | <15˚C or >30˚C | [6] [7] [8] |