| 序号 | 注入水量A (mm) | 雨量计累计记录雨量B (mm) | 绝对误差C = B − A (mm) | D = C^2 | 相对误差E = C/A (%) |
| 1 | 0.6 | 0.6 | 0 | 0 | 0 |
| 2 | 1.3 | 1.3 | 0 | 0 | 0 |
| 3 | 6.3 | 6.3 | 0 | 0 | 0 |
| 4 | 9.7 | 9.6 | −0.1 | 0.01 | -1 |
| 5 | 15.3 | 15.3 | 0 | 0 | 0 |
| 6 | 17.7 | 17.7 | 0 | 0 | 0 |
| 7 | 21.6 | 21.6 | 0 | 0 | 0 |
| 8 | 25.9 | 25.7 | −0.2 | 0.04 | −0.8 |
| 9 | 33.5 | 33.5 | 0 | 0 | 0 |
| 10 | 38.4 | 38.2 | −0.2 | 0.04 | −0.5 |
| 11 | 42.7 | 42.6 | −0.1 | 0.01 | −0.2 |
| 12 | 52.9 | 52.6 | −0.3 | 0.09 | −0.6 |
| 13 | 68.5 | 68.3 | −0.2 | 0.04 | −0.3 |