Tide gauge at Den Helder
Time (UTC)	flt(m)
2025-07-18 12:00:00	0.69
2025-07-18 12:10:00	0.68
2025-07-18 12:20:00	0.67
2025-07-18 12:30:00	0.66
2025-07-18 12:40:00	0.64
2025-07-18 12:50:00	0.61
2025-07-18 13:00:00	0.58
2025-07-18 13:10:00	0.55
2025-07-18 13:20:00	0.5
2025-07-18 13:30:00	0.45
2025-07-18 13:40:00	0.39
2025-07-18 13:50:00	0.32
2025-07-18 14:00:00	0.25
2025-07-18 14:10:00	0.18
2025-07-18 14:20:00	0.12
2025-07-18 14:30:00	0.05
2025-07-18 14:40:00	-0.02
2025-07-18 14:50:00	-0.09
2025-07-18 15:00:00	-0.15