Tide gauge at Den Helder
Time (UTC)	flt(m)
2021-01-17 13:30:00	-0.35
2021-01-17 13:40:00	-0.38
2021-01-17 13:50:00	-0.41
2021-01-17 14:00:00	-0.42
2021-01-17 14:10:00	-0.44
2021-01-17 14:20:00	-0.45
2021-01-17 14:30:00	-0.47
2021-01-17 14:40:00	-0.48
2021-01-17 14:50:00	-0.51
2021-01-17 15:00:00	-0.53
2021-01-17 15:10:00	-0.55
2021-01-17 15:20:00	-0.55
2021-01-17 15:30:00	-0.56
2021-01-17 15:40:00	-0.56
2021-01-17 15:50:00	-0.55
2021-01-17 16:00:00	-0.53
2021-01-17 16:10:00	-0.51
2021-01-17 16:20:00	-0.49
2021-01-17 16:30:00	-0.43
2021-01-17 16:40:00	-0.33
2021-01-17 16:50:00	-0.21
2021-01-17 17:00:00	-0.08
2021-01-17 17:10:00	0.07
2021-01-17 17:20:00	0.23
2021-01-17 17:30:00	0.37
2021-01-17 17:40:00	0.48
2021-01-17 17:50:00	0.56
2021-01-17 18:00:00	0.63
2021-01-17 18:10:00	0.7
2021-01-17 18:20:00	0.73
2021-01-17 18:30:00	0.75
2021-01-17 18:40:00	0.75
2021-01-17 18:50:00	0.75
2021-01-17 19:00:00	0.75
2021-01-17 19:10:00	0.77
2021-01-17 19:20:00	0.78
2021-01-17 19:30:00	0.79
2021-01-17 19:40:00	0.8
2021-01-17 19:50:00	0.82
2021-01-17 20:00:00	0.84
2021-01-17 20:10:00	0.86
2021-01-17 20:20:00	0.87
2021-01-17 20:30:00	0.89
2021-01-17 20:40:00	0.91
2021-01-17 20:50:00	0.91
2021-01-17 21:00:00	0.93
2021-01-17 21:10:00	0.93
2021-01-17 21:20:00	0.93
2021-01-17 21:30:00	0.93
2021-01-17 21:40:00	0.92
2021-01-17 21:50:00	0.92
2021-01-17 22:00:00	0.91
2021-01-17 22:10:00	0.9
2021-01-17 22:20:00	0.88
2021-01-17 22:30:00	0.85
2021-01-17 22:40:00	0.83
2021-01-17 22:50:00	0.79
2021-01-17 23:00:00	0.76
2021-01-17 23:10:00	0.71
2021-01-17 23:20:00	0.64
2021-01-17 23:30:00	0.57
2021-01-17 23:40:00	0.49
2021-01-17 23:50:00	0.41
2021-01-18 00:00:00	0.33
2021-01-18 00:10:00	0.23
2021-01-18 00:20:00	0.15
2021-01-18 00:30:00	0.08
2021-01-18 00:40:00	0.01
2021-01-18 00:50:00	-0.05
2021-01-18 01:00:00	-0.11