11pm, Chennai - moderate showers seen over Ponneri zones around 40km north from city. More rain coming up for this zone next 30min.
Chennai - 11:10pm, some showers may spill into N, N-W suburbs during next 45min to 1hour
| 18-07-2013 | 132.2 |
| 19-07-2013 | 156.4 |
| 20-07-2013 | 294.4 |
| 21-07-2013 | 210.2 |
| 22-07-2013 | 222.4 |
| 23-07-2013 | 311.4 |
| 24-07-2013 | 225.0 |
| 25-07-2013 | 235.2 |
| 26-07-2013 | 220.4 |
| 27-07-2013 | 305.0 |
| 28-07-2013 | 209.2 |
| 29-07-2013 | 135.4 |
| 30-07-2013 | 100.0 |
| 31-07-2013 | 200.2 |
| 01-08-2013 | 125.4 |
| 02-08-2013 | 102.2 |
| 03-08-2013 | 206.0 |
| 04-08-2013 | 180.2 |