Tide gauge at Donggang
Time (UTC)	rad(m)
2024-05-18 09:00:00	0.69
2024-05-18 10:00:00	0.62
2024-05-18 11:00:00	0.51
2024-05-18 12:00:00	0.39
2024-05-18 13:00:00	0.27