| Date | Value |
|---|---|
| Sep 19, 2020 22:46 | 31.8 ppt |
| Sep 8, 2020 22:00 | 32.8 ppt |
| Sep 2, 2020 02:49 | 33.4 ppt |
| Aug 18, 2020 22:58 | 34 ppt |
| Aug 14, 2020 22:57 | 32.8 ppt |
| Aug 10, 2020 23:43 | 32 ppt |
| Aug 4, 2020 23:58 | 31.6 ppt |
| Jul 18, 2020 06:25 | 34 ppt |
| Jul 12, 2020 03:38 | 33 ppt |