2025年12月2日:   00:00: 31.70mg/L;   01:00: 31.02mg/L;   02:00: 31.17mg/L;   03:00: 30.91mg/L;   04:00: 27.59mg/L;   05:00: 31.02mg/L;   06:00: 30.41mg/L;   09:00: 30.07mg/L;   12:00: 31.34mg/L;   13:00: 26.96mg/L;   14:00: 25.97mg/L;   15:00: 26.72mg/L;   16:00: 26.73mg/L;   17:00: 24.00mg/L;   18:00: 27.97mg/L;   19:00: 26.85mg/L;   20:00: 23.26mg/L;   21:00: 26.72mg/L;   22:00: 26.73mg/L;   23:00: 26.64mg/L.