| Stations | SDI | Class | Computed Average SDI (K = 4) | Probability (%) |
| Zobe |
|
|
|
|
|
| ≥0.0 | Non-drought | 0.5 | 93.50 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | 0.35 | 6.45 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0 | 0.00 |
| Goronyo 1 |
|
|
|
|
|
| ≥0.0 | Non-drought | 0.67 | 100 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | 0.00 | 0.00 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0.00 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0.00 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0.00 | 0.00 |
| Goronyo 2 |
|
|
|
|
|
| ≥0.0 | Non-drought | 0.43 | 100 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | 0.00 | 0.00 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0.00 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0.00 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0.00 | 0.00 |
| Gusau |
|
|
|
|
|
| ≥0.0 | Non-drought | 1.35 | 100 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | 0.00 | 0.00 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0.00 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0.00 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0.00 | 0.00 |
| Jibia |
|
|
|
|
|
| ≥0.0 | Non-drought | 0.30 | 60.00 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | −0.18 | 40.00 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0.00 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0.00 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0.00 | 0.00 |
| Bakolori |
|
|
|
|
|
| ≥0.0 | Non-drought | 0.0.47 | 93.00 |
|
| −1.0 ≤ SDI < 0.0 | Mild drought | 0..004 | 6.25 |
|
| −1.5 ≤ SDI < −1.0 | Moderate drought | 0.00 | 0.00 |
|
| −2.0 ≤ SDI < −1.5 | Severe drought | 0.00 | 0.00 |
|
| SDI < −2.0 | Extreme drought | 0.00 | 0.00 |