Drought Maps Year Selection:
| Dark red | extremely dry condition (drought is occurring) |
| Red | severely dry (drought is occurring) |
| Gold | moderate dry (just drier condition) |
| Grey-blue | normal condition (no drought occurs) |
| Light blue | moderate wet (no drought occurs, but wetter condition) |
| Blue | severely wet (no drought occurs, but wetter condition) |
| Dark blue | extremely wet (no drought occurs, but wetter condition) |
