Time (min) | Observed accumulated infiltration (cm)* | Calculated accumulated infiltration (cm)** | Percent of error (%) |
Observed | Calculated | ||
5 | 1.80 | 2.137 | 18.72 |
10 | 3.40 | 3.344 | −1.65 |
15 | 4.75 | 4.365 | −8.11 |
25 | 6.60 | 6.126 | −7.18 |
40 | 8.45 | 8.39 | −0.71 |
60 | 10.45 | 11.021 | 5.46 |
75 | 12.45 | 12.812 | 2.91 |
90 | 14.65 | 14.492 | −1.08 |
110 | 17.00 | 16.599 | −2.36 |
130 | 19.50 | 18.588 | −4.68 |
Average error | 0.134 |