Tide gauge at Donggang
Time (UTC)	rad(m)
2026-01-01 09:00:00	1.15
2026-01-01 10:00:00	1.17
2026-01-01 11:00:00	1.08
2026-01-01 12:00:00	0.89
2026-01-01 13:00:00	0.63
2026-01-01 14:00:00	0.36
2026-01-01 15:00:00	0.12
2026-01-01 16:00:00	-0.08
2026-01-01 17:00:00	-0.21
2026-01-01 18:00:00	-0.21
2026-01-01 19:00:00	-0.15