2025年05月15日:   00:00: 26.51mg/L;   01:00: 31.89mg/L;   02:00: 28.46mg/L;   03:00: 27.12mg/L;   04:00: 31.65mg/L;   05:00: 27.74mg/L;   06:00: 27.25mg/L;   07:00: 31.65mg/L;   08:00: 30.42mg/L;   09:00: 25.55mg/L;   11:00: 31.38mg/L; 12:00: 27.49mg/L;   13:00: 24.57mg/L;   14:00: 30.67mg/L;   15:00: 29.21mg/L;   16:00: 25.06mg/L;   17:00: 30.17mg/L; 18:00: 29.07mg/L;   19:00: 28.50mg/L;   20:00: 29.08mg/L;   21:00: 28.60mg/L;   22:00: 24.80mg/L;   23:00: 30.40