# time (min), head (m)
0.1 -0.040
0.25 -0.080
0.50 -0.130
0.70 -0.180
1.0 -0.230
1.40 -0.280
1.90 -0.330
2.33 -0.360
2.80 -0.390
3.36 -0.420
4.00 -0.450
5.35 -0.500
6.80 -0.540
8.3 -0.570
8.7 -0.580
10.0 -0.600
13.1 -0.640
18 -0.680
27 -0.742
33 -0.753
41 -0.779
48 -0.793
59 -0.819
80 -0.855
95 -0.873
139 -0.915
181 -0.935
245 -0.966
300 -0.990
360 -1.007
480 -1.050
600 -1.053
728 -1.072
830 -1.088