Tide gauge at Donggang
Time (UTC)	rad(m)
2025-04-01 08:00:00	-0.01
2025-04-01 09:00:00	0.02
2025-04-01 10:00:00	0.12
2025-04-01 11:00:00	0.29
2025-04-01 12:00:00	0.43
2025-04-01 13:00:00	0.52
2025-04-01 14:00:00	0.57
2025-04-01 15:00:00	0.55
2025-04-01 16:00:00	0.47
2025-04-01 17:00:00	0.38
2025-04-01 18:00:00	0.31