Tide gauge at Donggang
Time (UTC)	rad(m)
2026-02-15 16:00:00	0.14
2026-02-15 17:00:00	0.01
2026-02-15 18:00:00	-0.05
2026-02-15 19:00:00	-0.05
2026-02-15 20:00:00	0.03
2026-02-15 21:00:00	0.15
2026-02-15 22:00:00	0.26
2026-02-15 23:00:00	0.34
2026-02-16 00:00:00	0.36
2026-02-16 01:00:00	0.34
2026-02-16 02:00:00	0.28