| ANNUAL RAINFALL - 1970 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | - | - | 2 | 89.00 | 1 | 12.44 | - | - |
| 2 | February | 1 | 1.00 | 1 | 11.00 | - | - | - | - |
| 3 | March | - | - | - | - | - | - | 2 | 93.00 |
| 4 | April | 2 | 15.50 | 2 | 19.00 | 9 | 117.00 | - | - |
| 5 | May | 2 | 6.50 | 4 | 50.00 | 13 | 502.25 | 2 | 20.00 |
| 6 | June | 2 | 7.50 | 2 | 19.00 | 24 | 652.53 | 8 | 116.00 |
| 7 | July | 2 | 2.50 | 2 | 28.00 | 29 | 919.73 | 11 | 230.00 |
| 8 | August | 14 | 76.50 | 7 | 191.50 | 28 | 904.50 | 9 | 131.00 |
| 9 | September | 8 | 95.00 | 4 | 87.50 | 12 | 218.19 | 10 | 103.00 |
| 10 | October | 10 | 171.50 | 7 | 107.80 | 14 | 180.59 | 11 | 169.00 |
| 11 | November | 14 | 730.50 | 19 | 909.00 | 3 | 33.02 | - | - |
| 12 | December | 3 | 48.50 | 5 | 137.50 | - | - | - | - |
| Total | 58 | 1155.00 | 55 | 1649.30 | 133 | 3540.25 | 53 | 862.00 | |
| 1155 | 1649 | 3540 | 862 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1970-71 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | 2 | 7.5 | 2 | 19 | 24 | 652.53 | 8 | 116 |
| 2 | July | 2 | 2.5 | 2 | 28 | 29 | 919.73 | 11 | 230 |
| 3 | August | 14 | 76.5 | 7 | 191.5 | 28 | 904.5 | 9 | 131 |
| 4 | September | 8 | 95 | 4 | 87.5 | 12 | 218.19 | 10 | 103 |
| South West | 26 | 181.50 | 15 | 326.00 | 93 | 2694.95 | 38 | 580.00 | |
| Monsoon | |||||||||
| 5 | October | 10 | 171.5 | 7 | 107.8 | 14 | 180.59 | 11 | 169 |
| 6 | November | 14 | 730.5 | 19 | 909 | 3 | 33.02 | - | - |
| 7 | December | 3 | 48.5 | 5 | 137.5 | - | - | - | - |
| North East | 27 | 950.50 | 31 | 1154.30 | 17 | 213.61 | 11 | 169.00 | |
| Monsoon | |||||||||
| 8 | January | 4 | 36 | 6 | 68 | - | - | - | - |
| 9 | February | 1 | 20 | - | - | 1 | 0.51 | 3 | 73 |
| Winter | 5 | 56.00 | 6 | 68.00 | 1 | 0.51 | 3 | 73.00 | |
| Period | |||||||||
| 10 | March | 4 | 239 | 3 | 67 | - | - | 1 | 6 |
| 11 | April | 1 | 5 | 2 | 40 | 6 | 74.17 | 6 | 130 |
| 12 | May | 7 | 90.5 | 2 | 50 | 14 | 429.77 | 4 | 22 |
| Hot Weather | 12 | 334.50 | 7 | 157.00 | 20 | 503.94 | 11 | 158.00 | |
| Period | |||||||||
| Annual | 70 | 1522.50 | 59 | 1705.30 | 131 | 3413.01 | 63 | 980.00 | |
| Total | |||||||||
| 1523 | 1705 | 3413 | 980 | ||||||