| Methods | Coefficients | Ziguinchor | Diourbel | Kaffrine | Kaolack | Kedougou | Louga | Saint-Louis | Tamba | Thies | Dakar |
| Pearson | R | 0.73 | 0.70 | 0.74 | 0.61 | 0.68 | 0.61 | 0.71 | 0.66 | 0.69 | 0.84 |
| P-value | 3 × 10−11 | 3 × 10−14 | 7 × 10−12 | 10−7 | 2 × 10−9 | 2 × 10−7 | 10−10 | 9 × 10−9 | 6 × 10−10 | 2 × 10−16 | |
| Spearman | R | 0.79 | 0.69 | 0.79 | 0.68 | 0.64 | 0.76 | 0.69 | 0.72 | 0.72 | 0.76 |
| P-value | 5 × 10−14 | 4 × 10−10 | 4 × 10−14 | 2 × 10−9 | 10−8 | 10−12 | 9 × 10−10 | 3 × 10−11 | 7 × 10−11 | 2 × 10−12 |