Tide gauge at Donggang
Time (UTC)	rad(m)
2025-12-17 19:00:00	-0.01
2025-12-17 20:00:00	0.07
2025-12-17 21:00:00	0.17
2025-12-17 22:00:00	0.25
2025-12-17 23:00:00	0.31
2025-12-18 00:00:00	0.33
2025-12-18 01:00:00	0.31
2025-12-18 02:00:00	0.27
2025-12-18 03:00:00	0.28
2025-12-18 04:00:00	0.31
2025-12-18 05:00:00	0.38