2025年10月19日:   00:00: 27.62mg/L;   01:00: 27.51mg/L;   02:00: 28.05mg/L;   03:00: 27.32mg/L;   04:00: 27.49mg/L;   05:00: 27.55mg/L;   06:00: 27.30mg/L;   07:00: 27.16mg/L;   08:00: 27.67mg/L;   09:00: 26.76mg/L;   11:00: 27.02mg/L;   12:00: 29.74mg/L;   13:00: 25.93mg/L;   14:00: 25.81mg/L;   15:00: 29.51mg/L;   16:00: 25.45mg/L;   17:00: 25.46mg/L;   18:00: 29.02mg/L;   19:00: 25.92mg/L;   20:00: 25.69mg/L;   21:00: 31.41mg/L;   22:00: 27.60mg/L;   23:00: 26.64mg/L.