hours,  depth
1 ,0.16
2 ,0.17
3 ,0.19
4 ,0.20
5 ,0.21
6 ,0.24
7 ,0.27
8 ,0.31
9 ,0.37
10 ,0.46
11 ,0.66
12 ,1.29
13 ,4.63
14 ,0.85
15 ,0.54
16 ,0.41
17 ,0.33
18 ,0.29
19 ,0.26
20 ,0.23
21 ,0.21
22 ,0.19
23 ,0.18
24 ,0.17