| Locations | Months | First year | Last year | n | Z | Significance | Sen’s slope Q | B |
| Ziguinchor | June | 1950 | 2000 | 51 | −2.10 | * | −0.0072 | 0.75 |
| July | 1950 | 2000 | 51 | −1.04 | n.s. | −0.0096 | 2.52 | |
| August | 1950 | 2000 | 51 | −3.17 | ** | −0.0378 | 4.43 | |
| September | 1950 | 2000 | 51 | −1.66 | + | −0.0158 | 2.97 | |
| October | 1950 | 2000 | 51 | −1.67 | + | −0.0111 | 1.17 | |
| Kolda | May | 1950 | 2000 | 50 | −1.16 | n.s. | −0.0003 | 0.05 |
| June | 1950 | 2000 | 51 | −1.28 | n.s. | −0.0062 | 0.86 | |
| July | 1950 | 2000 | 51 | −1.07 | n.s. | −0.0070 | 1.99 | |
| August | 1950 | 2000 | 51 | −2.18 | * | −0.0217 | 2.96 | |
| September | 1950 | 2000 | 51 | −2.23 | * | −0.0181 | 2.46 | |
| October | 1950 | 2000 | 51 | −2.97 | ** | −0.0127 | 1.04 | |
| Kedougou | May | 1950 | 2000 | 51 | −0.33 | n.s. | 0.1997 | 0.31 |
| June | 1950 | 2000 | 51 | −3.88 | *** | 1.3727 | 1.56 | |
| July | 1950 | 2000 | 51 | −1.92 | + | 2.0897 | 2.45 | |
| August | 1950 | 2000 | 51 | −3.15 | ** | 2.7697 | 3.17 | |
| September | 1950 | 2000 | 51 | −2.11 | * | 2.5235 | 2.98 | |
| October | 1950 | 2000 | 51 | −1.58 | n.s. | 0.8524 | 1.29 | |
| Tambacounda | May | 1950 | 2000 | 51 | −0.70 | n.s. | −0.0002 | 0.03 |
| June | 1950 | 2000 | 51 | −1.58 | n.s. | −0.0041 | 0.59 | |
| July | 1950 | 2000 | 51 | −2.96 | ** | −0.0117 | 1.52 | |
| August | 1950 | 2000 | 51 | −2.27 | * | −0.0180 | 2.12 | |
| September | 1950 | 2000 | 51 | −2.24 | * | −0.0154 | 1.70 | |
| October | 1950 | 2000 | 51 | −1.66 | + | −0.0056 | 0.57 |