| ANNUAL RAINFALL - 1976 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | - | - | 1 | 1.40 | - | - | - | - |
| 2 | February | - | - | - | - | - | - | - | - |
| 3 | March | - | - | 2 | 4.40 | - | - | - | - |
| 4 | April | 1 | 4.40 | - | - | 7 | 64.90 | 4 | 44.00 |
| 5 | May | - | - | 1 | 1.80 | 5 | 90.00 | 2 | 15.40 |
| 6 | June | 4 | 9.80 | 4 | 32.20 | 20 | 314.50 | 5 | 47.50 |
| 7 | July | 6 | 60.60 | 7 | 97.40 | 28 | 965.30 | 17 | 224.70 |
| 8 | August | 15 | 123.30 | 10 | 91.50 | 24 | 543.60 | 3 | 211.10 |
| 9 | September | 4 | 55.00 | 8 | 69.40 | 9 | 90.40 | 9 | 61.90 |
| 10 | October | 8 | 216.80 | 10 | 294.00 | 8 | 79.50 | 4 | 242.30 |
| 11 | November | 24 | 500.80 | 24 | 536.00 | 15 | 314.10 | 17 | 658.50 |
| 12 | December | 10 | 175.40 | 17 | 394.00 | 3 | 16.10 | - | - |
| Total | 72 | 1146.10 | 84 | 1522.10 | 119 | 2478.40 | 61 | 1505.40 | |
| 1146 | 1522 | 2478 | 1505 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1976-77 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | 4 | 9.8 | 4 | 32.2 | 20 | 314.5 | 5 | 47.5 |
| 2 | July | 6 | 60.6 | 7 | 97.4 | 28 | 965.3 | 17 | 224.7 |
| 3 | August | 15 | 123.3 | 10 | 91.5 | 24 | 543.6 | 3 | 211.1 |
| 4 | September | 4 | 55 | 8 | 69.4 | 9 | 90.4 | 9 | 61.9 |
| South West | 29 | 248.70 | 29 | 290.50 | 81 | 1913.80 | 34 | 545.20 | |
| Monsoon | |||||||||
| 5 | October | 8 | 216.8 | 10 | 294 | 8 | 79.5 | 4 | 242.3 |
| 6 | November | 24 | 500.8 | 24 | 536 | 15 | 314.1 | 17 | 658.5 |
| 7 | December | 10 | 175.4 | 17 | 394 | 3 | 16.1 | - | - |
| North East | 42 | 893.00 | 51 | 1224.00 | 26 | 409.70 | 21 | 900.80 | |
| Monsoon | |||||||||
| 8 | January | 3 | 16.6 | 2 | 15.5 | - | - | 1 | 16 |
| 9 | February | 3 | 6.8 | 3 | 20.9 | 2 | 27 | - | - |
| Winter | 6 | 23.40 | 5 | 36.40 | 2 | 27.00 | 1 | 16.00 | |
| Period | |||||||||
| 10 | March | - | - | 3 | 17.8 | 1 | 10 | - | - |
| 11 | April | 2 | 2.2 | 2 | 14.6 | 2 | 4.8 | 1 | 4 |
| 12 | May | 5 | 63.2 | 6 | 73.3 | 16 | 273.6 | 4 | 37.6 |
| Hot Weather | 7 | 65.40 | 11 | 105.70 | 19 | 288.40 | 5 | 41.60 | |
| Period | |||||||||
| Annual | 84 | 1230.50 | 96 | 1656.60 | 128 | 2638.90 | 61 | 1503.60 | |
| Total | |||||||||
| 1231 | 1657 | 2639 | 1504 | ||||||