2025年05月12日:   00:00: 23.50mg/L;   01:00: 31.61mg/L;   02:00: 25.41mg/L;   03:00: 21.85mg/L;   04:00: 29.72mg/L;   05:00: 24.71mg/L;   06:00: 23.64mg/L;   07:00: 30.68mg/L;   08:00: 24.23mg/L;   09:00: 23.99mg/L;   11:00: 29.70mg/L; 12:00: 25.88mg/L;   13:00: 24.69mg/L;   14:00: 29.21mg/L;   15:00: 25.64mg/L;   16:00: 24.57mg/L;   17:00: 28.50mg/L; 18:00: 24.93mg/L;   19:00: 23.86mg/L;   20:00: 29.45mg/L;   21:00: 25.64mg/L;   22:00: 22.32mg/L;   23:00: 28.51