年份 | 春秋/mm | 冬夏/mm | 年/mm | 相对误差 | K相对误差 |
1998 | 6.4 | −6.6 | −0.2 | −0.02% | 1.11% |
1999 | 15.9 | 2.7 | 18.6 | 2.54% | −0.91% |
2000 | −17.1 | 4.9 | −12.2 | −1.37% | 0.04% |
2001 | −5.2 | −1.0 | −6.2 | −0.70% | −0.20% |
绝对值平均偏差 | 11.1 | 3.8 | 9.3 | 0.0 | 0.0 |