2026年2月7日:   00:00: 31.47mg/L;   01:00: 27.81mg/L;   02:00: 24.43mg/L;   03:00: 30.69mg/L;   04:00: 26.24mg/L;   05:00: 25.20mg/L;   06:00: 29.90mg/L;   07:00: 25.20mg/L;   08:00: 25.06mg/L;   09:00: 29.09mg/L;   11:00: 28.84mg/L;   12:00: 24.68mg/L;   13:00: 28.59mg/L;   14:00: 27.94mg/L;   15:00: 27.51mg/L;   16:00: 28.19mg/L;   17:00: 28.71mg/L;   18:00: 27.72mg/L;   19:00: 28.00mg/L;   20:00: 28.63mg/L;   21:00: 27.54mg/L;   22:00: 28.26mg/L;   23:00: 28.83mg/L.