salinity lagged.salinity trend discharge
 7.6   8.2   4   23.005
 7.7   7.6   5   23.873
 4.3   4.6   0   26.417
 5.9   4.3   1   24.868
 5.0   5.9   2   29.895
 6.5   5.0   3   24.200
 8.3   6.5   4   23.215
 8.2   8.3   5   21.862
13.2  10.1   0   22.274
12.6  13.2   1   23.830
10.4  12.6   2   25.144
10.8  10.4   3   22.430
13.1  10.8   4   21.785
12.3  13.1   5   22.380
10.4  13.3   0   23.927
10.5  10.4   1   33.443
 7.7  10.5   2   24.859
 9.5   7.7   3   22.686
12.0  10.0   0   21.789
12.6  12.0   1   22.041
13.6  12.1   4   21.033
14.1  13.6   5   21.005
13.5  15.0   0   25.865
11.5  13.5   1   26.290
12.0  11.5   2   22.932
13.0  12.0   3   21.313
14.1  13.0   4   20.769
15.1  14.1   5   21.393
