| Statistical tests | Louga | Podor | Saint Louis | min rain | max rain |
| (adf) Augmented Dickey-Fuller, H0: the series is non-stationary | |||||
| test statistic | −1.80 | −1.80 | −1.61 | −1.87 | −1.50 |
| ordre du retard = 8 | |||||
| p-value | 0.84 | 0.66 | 0.74 | 0.63 | 0.79 |
| (pp) Phillips-Perron, H0: the series is non-stationary | |||||
| test statistic | −4.45 | −6.51 | −4.88 | −6.23 | −4.17 |
| TLP = 6 | |||||
| p-value | 0.86 | 0.74 | 0.84 | 0.76 | 0.88 |
| (kpss) KPSS Test for Level Stationarity, H0: the series is stationary with a deterministic tendency | |||||
| KPSS Level | 1.49 | 1.17 | 1.46 | 1.24 | 1.63 |
| TLP = 6 | |||||
| p-value = 0.01 | |||||