Tide gauge at Den Helder
Time (UTC)	flt(m)
2025-03-31 08:00:00	0.4
2025-03-31 08:10:00	0.41
2025-03-31 08:20:00	0.4
2025-03-31 08:30:00	0.4
2025-03-31 08:40:00	0.38
2025-03-31 08:50:00	0.38
2025-03-31 09:00:00	0.35
2025-03-31 09:10:00	0.34
2025-03-31 09:20:00	0.31
2025-03-31 09:30:00	0.26
2025-03-31 09:40:00	0.2
2025-03-31 09:50:00	0.12
2025-03-31 10:00:00	0.05
2025-03-31 10:10:00	-0.02
2025-03-31 10:20:00	-0.1
2025-03-31 10:30:00	-0.19
2025-03-31 10:40:00	-0.27
2025-03-31 10:50:00	-0.36
2025-03-31 11:00:00	-0.44
2025-03-31 11:10:00	-0.51
2025-03-31 11:20:00	-0.58
2025-03-31 11:30:00	-0.64
2025-03-31 11:40:00	-0.7
2025-03-31 11:50:00	-0.76
2025-03-31 12:00:00	-0.81
2025-03-31 12:10:00	-0.84
2025-03-31 12:20:00	-0.87
2025-03-31 12:30:00	-0.9
2025-03-31 12:40:00	-0.94
2025-03-31 12:50:00	-0.98
2025-03-31 13:00:00	-1.03
2025-03-31 13:10:00	-1.06
2025-03-31 13:20:00	-1.1
2025-03-31 13:30:00	-1.13
2025-03-31 13:40:00	-1.16
2025-03-31 13:50:00	-1.2
2025-03-31 14:00:00	-1.23
2025-03-31 14:10:00	-1.27
2025-03-31 14:20:00	-1.29
2025-03-31 14:30:00	-1.31
2025-03-31 14:40:00	-1.32
2025-03-31 14:50:00	-1.31
2025-03-31 15:00:00	-1.25
2025-03-31 15:10:00	-1.15
2025-03-31 15:20:00	-1
2025-03-31 15:30:00	-0.78
2025-03-31 15:40:00	-0.56
2025-03-31 15:50:00	-0.34
2025-03-31 16:00:00	-0.14
2025-03-31 16:10:00	0.05
2025-03-31 16:20:00	0.21
2025-03-31 16:30:00	0.31
2025-03-31 16:40:00	0.36
2025-03-31 16:50:00	0.4
2025-03-31 17:00:00	0.41
2025-03-31 17:10:00	0.4
2025-03-31 17:20:00	0.4
2025-03-31 17:30:00	0.38
2025-03-31 17:40:00	0.37
2025-03-31 17:50:00	0.36
2025-03-31 18:00:00	0.37
2025-03-31 18:10:00	0.37
2025-03-31 18:20:00	0.4
2025-03-31 18:30:00	0.42
2025-03-31 18:40:00	0.46
2025-03-31 18:50:00	0.48
2025-03-31 19:00:00	0.51
2025-03-31 19:10:00	0.53
2025-03-31 19:20:00	0.56
2025-03-31 19:30:00	0.58
2025-03-31 19:40:00	0.6