2020年06月30日: 01:00: 29.44mg/L; 03:00: 24.97mg/L; 05:00: 24.15mg/L; 07:00: 28.47mg/L; 09:00: 26.45mg/L; 11:00: 28.45mg/L; 13:00: 25.71mg/L; 15:00: 23.86mg/L; 17:00: 27.74mg/L; 19:00: 24.32mg/L; 21:00: 27.53mg/L; 23:00: 23.81mg/L.