# time (min), head (m)
1.5 -0.015
2.0 -0.021
2.16 -0.023
2.66 -0.044
3 -0.054
3.5 -0.075
4 -0.090
4.33 -0.104
5.5 -0.133
6 -0.153
7.5 -0.178
9 -0.206
13 -0.250
15 -0.275
18 -0.305
25 -0.348
30 -0.364
40 -0.404
53 -0.429
60 -0.444
75 -0.467
90 -0.494
105 -0.507
120 -0.528
150 -0.550
180 -0.569
248 -0.593
301 -0.614
363 -0.636
422 -0.657
542 -0.679
602 -0.688
680 -0.701
785 -0.718
845 -0.716