用C# 对数据进行线性内插
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| 30707400 | 30747100 | 1.17 | 1995/6/1 9:30 | 0 |
| 30707400 | 30747100 | 0.10 | 1995/6/1 21:30 | 12 |
| 30707400 | 30747100 | 6.80 | 1995/6/2 15:30 | 18 |
| 30707400 | 30747100 | 0.70 | 1995/6/2 17:00 | 1.5 |
| 30707400 | 30747100 | 0.10 | 1995/6/3 0:30 | 7.5 |
| 30707400 | 30747100 | 4.20 | 1995/6/5 16:30 | 64 |
| 30707400 | 30747100 | 1.15 | 1995/6/5 18:00 | 1.5 |
| 30707400 | 30747100 | 0.50 | 1995/6/6 10:30 | 16.5 |
| 30707400 | 30747100 | 0.30 | 1995/6/14 17:00 | 198.5 |
| 30707400 | 30747100 | 0.10 | 1995/6/15 4:30 | 11.5 |
| 30707400 | 30747100 | 0.10 | 1995/6/15 8:30 | 4 |
| 30707400 | 30747100 | 0.10 | 1995/6/15 12:30 | 4 |
| 30707400 | 30747100 | 4.60 | 1995/6/15 15:30 | 3 |
| 30707400 | 30747100 | 0.25 | 1995/6/16 7:00 | 15.5 |
| 30707400 | 30747100 | 0.63 | 1995/6/16 10:00 | 3 |
| 30707400 | 30747100 | 3.50 | 1995/6/16 12:30 | 2.5 |
| 30707400 | 30747100 | 5.90 | 1995/6/16 13:30 | 1 |
| 30707400 | 30747100 | 0.73 | 1995/6/16 15:30 | 2 |
| 30707400 | 30747100 | 0.59 | 1995/6/17 0:30 | 9 |
| 30707400 | 30747100 | 0.30 | 1995/6/17 6:30 | 6 |
| 30707400 | 30747100 | 0.80 | 1995/6/17 9:30 | 3 |
| 30707400 | 30747100 | 3.10 | 1995/6/17 11:30 | 2 |
| 30707400 | 30747100 | 3.50 | 1995/6/17 12:30 | 1 |
| 30707400 | 30747100 | 1.80 | 1995/6/17 13:30 | 1 |
| 30707400 | 30747100 | 3.90 | 1995/6/17 14:30 | 1 |
| 30707400 | 30747100 | 7.90 | 1995/6/17 15:30 | 1 |
| 30707400 | 30747100 | 1.33 | 1995/6/17 17:30 | 2 |
| 30707400 | 30747100 | 1.48 | 1995/6/17 22:00 | 4.5 |
| 30707400 | 30747100 | 7.50 | 1995/6/18 0:30 | 2.5 |
| 30707400 | 30747100 | 3.70 | 1995/6/18 1:30 | 1 |
| 30707400 | 30747100 | 1.08 | 1995/6/18 5:00 | 3.5 |
| 30707400 | 30747100 | 0.60 | 1995/6/20 13:30 | 56.5 |
| 30707400 | 30747100 | 8.60 | 1995/6/20 14:30 | 1 |
| 30707400 | 30747100 | 0.10 | 1995/6/20 16:30 | 2 |
| 30707400 | 30747100 | 0.10 | 1995/6/20 20:30 | 4 |
| 30707400 | 30747100 | 0.80 | 1995/6/26 10:30 | 134 |
| 30707400 | 30747100 | 3.10 | 1995/6/26 11:30 | 1 |
| 30707400 | 30747100 | 1.30 | 1995/6/26 12:30 | 1 |
| 30707400 | 30747100 | 2.90 | 1995/6/26 13:30 | 1 |
| 30707400 | 30747100 | 0.50 | 1995/6/26 14:30 | 1 |
| 30707400 | 30747100 | 0.10 | 1995/6/27 7:30 | 17 |
| 30707400 | 30747100 | 0.20 | 1995/6/28 19:30 | 36 |
| 30707400 | 30747100 | 0.46 | 1995/6/29 0:30 | 5 |
| 30707400 | 30747100 | 11.70 | 1995/6/30 13:30 | 37 |
| 30707400 | 30747100 | 1.40 | 1995/6/30 14:30 | 1 |
| 30707400 | 30747100 | 0.13 | 1995/6/30 17:30 | 3 |
| 30707400 | 30747100 | 0.10 | 1995/6/30 20:30 | 3 |
| 30707400 | 30747100 | 0.96 | 1995/7/1 4:30 | 8 |
| 30707400 | 30747100 | 0.48 | 1995/7/1 12:00 | 7.5 |
| 30707400 | 30747100 | 1.40 | 1995/7/4 17:00 | 77 |
| 30707400 | 30747100 | 1.20 | 1995/7/4 19:30 | 2.5 |
| 30707400 | 30747100 | 0.20 | 1995/7/4 20:30 | 1 |
| 30707400 | 30747100 | 0.25 | 1995/7/12 5:00 | 176.5 |
| 30707400 | 30747100 | 0.20 | 1995/7/12 21:30 | 16.5 |
| 30707400 | 30747100 | 0.20 | 1995/7/13 16:30 | 19 |
| 30707400 | 30747100 | 1.00 | 1995/7/14 2:30 | 10 |
| 30707400 | 30747100 | 6.80 | 1995/7/14 5:30 | 3 |
| 30707400 | 30747100 | 3.30 | 1995/7/14 6:30 | 1 |
| 30707400 | 30747100 | 3.50 | 1995/7/14 7:30 | 1 |
| 30707400 | 30747100 | 0.85 | 1995/7/14 9:00 | 1.5 |
| 30707400 | 30747100 | 0.45 | 1995/7/14 12:00 | 3 |
| 30707400 | 30747100 | 0.10 | 1995/7/14 15:30 | 3.5 |
| 30707400 | 30747100 | 0.20 | 1995/7/16 12:30 | 45 |
| 30707400 | 30747100 | 4.40 | 1995/7/17 11:30 | 23 |
| 30707400 | 30747100 | 0.90 | 1995/7/17 13:30 | 2 |
| 30707400 | 30747100 | 5.10 | 1995/7/17 15:30 | 2 |
| 30707400 | 30747100 | 0.55 | 1995/7/17 18:00 | 2.5 |
| 30707400 | 30747100 | 1.18 | 1995/7/18 2:00 | 8 |
| 30707400 | 30747100 | 1.30 | 1995/7/18 8:30 | 6.5 |
| 30707400 | 30747100 | 2.60 | 1995/7/18 9:30 | 1 |
| 30707400 | 30747100 | 0.62 | 1995/7/18 13:00 | 3.5 |
| 30707400 | 30747100 | 0.10 | 1995/7/19 4:30 | 15.5 |
| 30707400 | 30747100 | 1.25 | 1995/7/19 7:00 | 2.5 |
| 30707400 | 30747100 | 0.53 | 1995/7/23 0:30 | 89.5 |
| 30707400 | 30747100 | 4.00 | 1995/7/23 2:30 | 2 |
| 30707400 | 30747100 | 6.80 | 1995/7/23 3:30 | 1 |
| 30707400 | 30747100 | 0.77 | 1995/7/23 6:00 | 2.5 |
| 30707400 | 30747100 | 2.30 | 1995/7/23 8:30 | 2.5 |
| 30707400 | 30747100 | 5.90 | 1995/7/23 9:30 | 1 |
| 30707400 | 30747100 | 0.63 | 1995/7/23 11:30 | 2 |
| 30707400 | 30747100 | 0.60 | 1995/7/25 5:30 | 42 |
| 30707400 | 30747100 | 3.50 | 1995/7/25 6:30 | 1 |
| 30707400 | 30747100 | 1.30 | 1995/7/25 7:30 | 1 |
| 30707400 | 30747100 | 0.90 | 1995/7/25 10:30 | 3 |
| 30707400 | 30747100 | 0.10 | 1995/7/25 21:30 | 11 |
| 30707400 | 30747100 | 0.10 | 1995/7/28 18:30 | 69 |
| 30707400 | 30747100 | 0.35 | 1995/7/29 9:00 | 14.5 |
| 30707400 | 30747100 | 0.10 | 1995/7/29 11:30 | 2.5 |
| 30707400 | 30747100 | 23.80 | 1995/7/29 13:30 | 2 |
| 30707400 | 30747100 | 7.50 | 1995/7/29 14:30 | 1 |
| 30707400 | 30747100 | 20.80 | 1995/7/29 15:30 | 1 |
| 30707400 | 30747100 | 0.85 | 1995/7/29 17:00 | 1.5 |
| 30707400 | 30747100 | 0.10 | 1995/7/31 13:30 | 44.5 |
| 30707400 | 30747100 | 0.10 | 1995/8/1 3:30 | 14 |
| 30707400 | 30747100 | 0.10 | 1995/8/1 16:30 | 13 |
| 30707400 | 30747100 | 0.10 | 1995/8/1 19:30 | 3 |
| 30707400 | 30747100 | 0.10 | 1995/8/2 0:30 | 5 |
| 30707400 | 30747100 | 0.60 | 1995/8/2 7:00 | 6.5 |
| 30707400 | 30747100 | 0.10 | 1995/8/2 8:30 | 1.5 |
| 30707400 | 30747100 | 3.90 | 1995/8/2 12:30 | 4 |
| 30707400 | 30747100 | 6.40 | 1995/8/2 13:30 | 1 |
| 30707400 | 30747100 | 0.24 | 1995/8/2 16:30 | 3 |
| 30707400 | 30747100 | 0.10 | 1995/8/3 10:30 | 18 |
| 30707400 | 30747100 | 0.08 | 1995/8/5 17:30 | 55 |
| 30707400 | 30747100 | 0.75 | 1995/8/5 23:00 | 5.5 |
| 30707400 | 30747100 | 4.00 | 1995/8/6 0:30 | 1.5 |
| 30707400 | 30747100 | 1.30 | 1995/8/6 2:00 | 1.5 |
| 30707400 | 30747100 | 2.60 | 1995/8/6 3:30 | 1.5 |
| 30707400 | 30747100 | 3.50 | 1995/8/6 4:30 | 1 |
| 30707400 | 30747100 | 1.10 | 1995/8/6 5:30 | 1 |
| 30707400 | 30747100 | 0.20 | 1995/8/6 8:30 | 3 |
| 30707400 | 30747100 | 0.15 | 1995/8/6 11:00 | 2.5 |
| 30707400 | 30747100 | 0.10 | 1995/8/6 13:30 | 2.5 |
| 30707400 | 30747100 | 0.26 | 1995/8/8 14:30 | 49 |
| 30707400 | 30747100 | 3.60 | 1995/8/11 13:30 | 71 |
| 30707400 | 30747100 | 10.60 | 1995/8/14 1:30 | 60 |
| 30707400 | 30747100 | 1.90 | 1995/8/14 2:30 | 1 |
| 30707400 | 30747100 | 12.10 | 1995/8/14 3:30 | 1 |
| 30707400 | 30747100 | 3.90 | 1995/8/14 4:30 | 1 |
| 30707400 | 30747100 | 0.10 | 1995/8/14 6:00 | 1.5 |
| 30707400 | 30747100 | 5.20 | 1995/8/14 7:30 | 1.5 |
| 30707400 | 30747100 | 6.10 | 1995/8/14 8:30 | 1 |
| 30707400 | 30747100 | 2.00 | 1995/8/14 10:00 | 1.5 |
| 30707400 | 30747100 | 3.90 | 1995/8/14 11:30 | 1.5 |
| 30707400 | 30747100 | 1.40 | 1995/8/14 13:00 | 1.5 |
| 30707400 | 30747100 | 0.10 | 1995/8/16 0:00 | 35 |
| 30707400 | 30747100 | 1.27 | 1995/8/16 6:30 | 6.5 |
| 30707400 | 30747100 | 1.25 | 1995/8/16 12:00 | 5.5 |
| 30707400 | 30747100 | 5.40 | 1995/8/16 16:30 | 4.5 |
| 30707400 | 30747100 | 2.70 | 1995/8/16 17:30 | 1 |
| 30707400 | 30747100 | 5.70 | 1995/8/16 18:30 | 1 |
| 30707400 | 30747100 | 1.50 | 1995/8/16 19:30 | 1 |
| 30707400 | 30747100 | 0.37 | 1995/8/16 21:30 | 2 |
| 30707400 | 30747100 | 0.10 | 1995/8/17 1:30 | 4 |
| 30707400 | 30747100 | 2.10 | 1995/8/17 16:30 | 15 |
| 30707400 | 30747100 | 0.10 | 1995/8/17 20:30 | 4 |
| 30707400 | 30747100 | 2.10 | 1995/8/22 17:30 | 117 |
想用C#做一个线性插值，好久了一直没有憋出来，看看有没有大神帮帮忙，拜谢！！
数据为雨量站的监测数据，第一列为流域编码，第二列为雨量站编码，第三列为降雨，最后一列时间间隔，这里将时间间隔大于0h小于100h作为一场降雨，然后对这场降雨对第=第四列时间进行整点内插，最后输出excel，数据伟文本和excel文档。
有哪位大神棒棒忙，让我学习学习！！
