| ANNUAL RAINFALL - 2009 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | 0 | 18.0 | 4 | 44.5 | 0 | 0 | 0 | 0.0 |
| 2 | February | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| 3 | March | 2 | 159.0 | 2 | 98.6 | 2 | 62.0 | 0 | 0.0 |
| 4 | April | 1 | 23.0 | 2 | 98.7 | 2 | 59.2 | 0 | 0.0 |
| 5 | May | 3 | 42.0 | 1 | 30.1 | 11 | 151.6 | 0 | 0.0 |
| 6 | June | 0 | 0.0 | 1 | 2.8 | 18 | 767.4 | 0 | 0 |
| 7 | July | ||||||||
| 8 | August | ||||||||
| 9 | September | ||||||||
| 10 | October | ||||||||
| 11 | November | ||||||||
| 12 | December | ||||||||
| Total | 6 | 242.0 | 10 | 274.7 | 33 | 1040.2 | 0 | 0.0 | |
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 2008-09 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June-08 | 4 | 38.0 | 3 | 53.0 | 26 | 735.2 | 8 | 185.6 |
| 2 | July | 4 | 21.0 | 1 | 3.7 | 20 | 452.4 | 11 | 197.6 |
| 3 | August | 4 | 41.0 | 6 | 51.1 | 16 | 363.8 | 11 | 219.8 |
| 4 | September | 2 | 40.0 | 2 | 9.4 | 11 | 484.6 | 8 | 85.0 |
| South West | 14 | 140.0 | 12 | 117.2 | 73 | 2036.0 | 38 | 688.0 | |
| Monsoon | |||||||||
| 5 | October | 14 | 317.0 | 11 | 338.6 | 13 | 422.4 | 7 | 122.4 |
| 6 | November | 11 | 837.0 | 13 | 574.7 | 2 | 23.2 | 3 | 119.7 |
| 7 | December | 3 | 84.0 | 7 | 142.4 | 1 | 40.0 | ||
| North East | 28 | 1238.0 | 31 | 1055.7 | 16 | 485.6 | 10 | 242.1 | |
| Monsoon | |||||||||
| 8 | January-09 | 0 | 18.0 | 4 | 44.5 | 0 | 0 | 0 | 0 |
| 9 | February | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Winter | 0 | 18.0 | 4 | 44.5 | 0 | 0 | 0 | 0 | |
| Period | |||||||||
| 10 | March | 2 | 159.0 | 2 | 98.6 | 2 | 62 | 0 | 0 |
| 11 | April | 1 | 23.0 | 2 | 98.7 | 2 | 59.2 | 0 | 0 |
| 12 | May | 3 | 42.0 | 1 | 30.1 | 11 | 151.6 | 0 | 0 |
| Hot Weather | 6 | 224.0 | 5 | 227.4 | 15 | 272.8 | 0 | 0.0 | |
| Period | |||||||||
| Annual | 48 | 1620.0 | 52 | 1444.8 | 104 | 2794.4 | 48 | 930.1 | |
| Total | |||||||||