| Zone | Station | Period | Months | ||
| Trend | Media | Median | |||
| North-east | Ambato | Per | Dec | Dec | Dec |
| Sub1 |
| Jun |
| ||
| Sub2 | Dec | Dec |
| ||
| East | Cevallos | Per | Abr, Dec | Apr, Dec | Apr, Dec |
| Sub1 |
| Jun |
| ||
| Sub2 | Apr, Dec | Apr, Jul, Sep, Dec | Apr | ||
| Tisaleo | Per | Apr | Apr | Apr | |
| Sub1 |
| Jun |
| ||
| Sub2 | Apr | Apr, Jul, Sep, Dec | Apr | ||
| Center | Pilahuin | Per | Apr, May | Apr | Apr |
| Sub1 |
|
|
| ||
| Sub2 | Apr, Jul | Apr, Jul | Apr, Jul | ||
| South | Urbina | Per | Dec | Dec | Dec |
| Sub1 |
|
|
| ||
| Sub2 | Jan, Mar, May, Dec | Jan, Mar, May, July, Dec | Mar | ||