| ANNUAL RAINFALL - 1969 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | - | - | 1 | 5.00 | - | - | - | - |
| 2 | February | 1 | 7.00 | - | - | - | - | - | - |
| 3 | March | - | - | - | - | - | - | - | - |
| 4 | April | - | - | - | - | 6 | 162.81 | - | - |
| 5 | May | 2 | 21.50 | 4 | 33.00 | 7 | 147.07 | 7 | 316.00 |
| 6 | June | - | - | 2 | 10.50 | 22 | 678.69 | 9 | 181.00 |
| 7 | July | 7 | 68.50 | 1 | 17.50 | 30 | 889.76 | 9 | 111.00 |
| 8 | August | 6 | 77.00 | 5 | 76.80 | 18 | 458.22 | 9 | 94.00 |
| 9 | September | 2 | 5.50 | 4 | 43.00 | 14 | 20.42 | 6 | 131.00 |
| 10 | October | 16 | 633.00 | 13 | 284.00 | 11 | 161.29 | 13 | 309.00 |
| 11 | November | 10 | 580.50 | 12 | 437.00 | 9 | 134.62 | 11 | 233.00 |
| 12 | December | 10 | 148.50 | 22 | 831.50 | 3 | 174.00 | 3 | 110.00 |
| Total | 54 | 1541.50 | 64 | 1738.30 | 120 | 2826.88 | 67 | 1485.00 | |
| 1542 | 1738 | 2827 | 1485 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1969-70 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | - | - | 2 | 10.5 | 22 | 678.69 | 9 | 181 |
| 2 | July | 7 | 68.5 | 1 | 17.5 | 30 | 889.76 | 9 | 111 |
| 3 | August | 6 | 77 | 5 | 76.8 | 18 | 458.22 | 9 | 94 |
| 4 | September | 2 | 5.5 | 4 | 43 | 14 | 20.42 | 6 | 131 |
| South West | 15 | 151.00 | 12 | 147.80 | 84 | 2047.09 | 33 | 517.00 | |
| Monsoon | |||||||||
| 5 | October | 16 | 633 | 13 | 284 | 11 | 161.29 | 13 | 309 |
| 6 | November | 10 | 580.5 | 12 | 437 | 9 | 134.62 | 11 | 233 |
| 7 | December | 10 | 148.5 | 22 | 831.5 | 3 | 174 | 3 | 110 |
| North East | 36 | 1362.00 | 47 | 1552.50 | 23 | 469.91 | 27 | 652.00 | |
| Monsoon | |||||||||
| 8 | January | - | - | 2 | 89 | 1 | 12.44 | - | - |
| 9 | February | 1 | 1 | 1 | 11 | - | - | - | - |
| Winter | 1 | 1.00 | 3 | 100.00 | 1 | 12.44 | 0 | 0.00 | |
| Period | |||||||||
| 10 | March | - | - | - | - | - | - | 2 | 93 |
| 11 | April | 2 | 15.5 | 2 | 19 | 9 | 117 | - | - |
| 12 | May | 2 | 6.5 | 4 | 50 | 13 | 502.25 | 2 | 20 |
| Hot Weather | 4 | 22.00 | 6 | 69.00 | 22 | 619.25 | 4 | 113.00 | |
| Period | |||||||||
| Annual | 56 | 1536.00 | 68 | 1869.30 | 130 | 3148.69 | 64 | 1282.00 | |
| Total | |||||||||
| 1536 | 1869 | 3149 | 1282 | ||||||