| 历史洪水 | 模拟计算 | 预报计算 | ||||||
| 洪号 | 洪峰(m3/s) | 洪量(亿m3) | 洪峰误差 | 洪量误差 | 确定性系数 | 洪峰误差 | 洪量误差 | 确定性系数 |
| 20100718 | 25,549 | 26.3 | −2.7% | −1.6% | 0.981 | −24.5% | −13.2% | 0.894 |
| 20100724 | 11,865 | 24.72 | 7.5% | −0.3% | 0.967 | 4.0% | −3.0% | 0.933 |
| 20110707 | 13,145 | 15.65 | −0.3% | 1.2% | 0.980 | 2.3% | 6.3% | 0.960 |
| 20110801 | 12,202 | 21.93 | −5.3% | 1.0% | 0.969 | 3.9% | 7.2% | 0.913 |
| 20110805 | 11,826 | 19.43 | 0.2% | 0.2% | 0.986 | 2.4% | 1.2% | 0.978 |
| 20110913 | 14,589 | 40.52 | −4.0% | 1.6% | 0.965 | −6.5% | 5.7% | 0.920 |
| 20110918 | 18,952 | 33.19 | −0.4% | 0.0% | 0.993 | −0.4% | 0.7% | 0.991 |
| 20120704 | 12,130 | 9.58 | 5.2% | 2.9% | 0.985 | −4.5% | 7.5% | 0.951 |
| 20120710 | 9271 | 20.01 | 2.4% | 0.8% | 0.968 | 0.3% | 2.9% | 0.910 |
| 20120902 | 16,451 | 16.78 | −6.5% | 1.9% | 0.981 | −0.2% | 7.4% | 0.973 |
| 20120908 | 10,278 | 8.43 | 1.5% | 1.4% | 0.954 | 1.1% | 6.4% | 0.895 |
| 20130719 | 10,355 | 11.23 | 6.6% | 3.6% | 0.919 | 10.8% | 14.3% | 0.836 |
| 20130723 | 10,094 | 13.94 | −0.4% | 1.6% | 0.964 | 5.8% | 6.0% | 0.936 |
| 20140912 | 10,881 | 51.81 | −14.3% | −2.3% | 0.926 | −18.4% | −8.7% | 0.792 |
| 20150629 | 15,766 | 16.09 | −15.1% | 0.1% | 0.961 | −20.0% | 0.9% | 0.950 |
| 20161025 | 4123 | 5.40 | −34.4% | −8.3% | 0.783 | −46.9% | 26.3% | 0.371 |
| 20170912 | 7475 | 30.55 | −12.1% | −1.3% | 0.951 | −32.3% | 4.1% | 0.788 |
| 20170924 | 9245 | 19.19 | −3.6% | −6.5% | 0.953 | −33.5% | 28.6% | 0.641 |
| 20171012 | 8753 | 50.26 | −15.7% | −4.7% | 0.967 | −5.1% | 17.9% | 0.745 |
| 20180704 | 6812 | 15.69 | −1.8% | 1.1% | 0.951 | 14.6% | 6.7% | 0.811 |
| 20190915 | 15,772 | 52.30 | −1.9% | 1.0% | 0.981 | 4.3% | 6.1% | 0.932 |
| 绝对值平均 | / | / | 6.8% | 2.1% | 0.956 | 11.5% | 8.6% | 0.863 |
| 合格率 |
|
| 95.2% | 100% | 100% | 76.2% | 90.5% | 90.5% |