2025年10月18日:   00:00: 27.59mg/L;   01:00: 26.87mg/L;   02:00: 30.45mg/L;   03:00: 29.14mg/L;   04:00: 25.45mg/L;   05:00: 30.45mg/L;   06:00: 29.01mg/L;   07:00: 28.62mg/L;   08:00: 29.12mg/L;   09:00: 24.97mg/L;   11:00: 29.26mg/L;   12:00: 28.56mg/L;   13:00: 28.45mg/L;   14:00: 24.74mg/L;   15:00: 30.94mg/L;   16:00: 26.64mg/L;   17:00: 25.69mg/L;   18:00: 29.03mg/L;   19:00: 27.95mg/L;   20:00: 27.88mg/L;   21:00: 27.58mg/L;   22:00: 27.48mg/L;   23:00: 28.27mg/L.