| J | F | M | A | M | J | J | A | S | O | N | D | Land | Observationsplats |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | 111 | 111 | 111 | 111 | Ghana | Cape Coast | ||||||
| 111 | 111 | Senegal | Casamance | ||||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Ivory coast | Côte d'Ivoire | ||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Gambia | Gambia River |
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Nigeria | Nigeria | ||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Senegal | Not specified. |
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Guinea-Bissau | Rio Grande de Buba | |||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | Gambia | river | |||||
| 111 | 111 | 111 | 111 | 111 | 111 | Senegal | Senegal River | ||||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Sierra Leone | Sierra Leone |