| ANNUAL RAINFALL - 1988 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | 1 | 32.00 | - | - | - | - | - | - |
| 2 | February | - | - | - | - | - | 2.00 | - | - |
| 3 | March | 1 | 6.80 | 3 | 87.50 | - | 2.00 | - | - |
| 4 | April | 1 | 21.00 | 5 | 56.60 | 7 | 74.00 | 1 | 14.80 |
| 5 | May | 1 | 58.00 | - | 0.20 | 8 | 274.00 | 2 | 29.40 |
| 6 | June | 1 | 6.40 | 2 | 50.80 | 27 | 952.00 | 2 | 38.20 |
| 7 | July | 3 | 54.80 | - | 6.80 | 26 | 870.00 | 17 | 319.70 |
| 8 | August | 7 | 215.20 | 8 | 113.00 | 22 | 462.00 | 15 | 215.40 |
| 9 | September | 5 | 84.70 | 4 | 39.60 | 20 | 396.00 | 8 | 326.40 |
| 10 | October | 1 | 6.00 | 2 | 33.40 | 7 | 91.00 | 6 | 111.80 |
| 11 | November | 10 | 464.00 | 16 | 622.10 | 3 | 44.00 | 1 | 34.60 |
| 12 | December | 2 | 34.40 | 8 | 49.20 | 2 | 30.00 | 2 | 4.60 |
| Total | 33 | 983.30 | 48 | 1059.20 | 122 | 3197.00 | 54 | 1094.90 | |
| 983 | 1059 | 3197 | 1095 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1988-89 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | 1 | 6.4 | 2 | 50.8 | 27 | 952 | 2 | 38.2 |
| 2 | July | 3 | 54.8 | - | 6.8 | 26 | 870 | 17 | 319.7 |
| 3 | August | 7 | 215.2 | 8 | 113 | 22 | 462 | 15 | 215.4 |
| 4 | September | 5 | 84.7 | 4 | 39.6 | 20 | 396 | 8 | 326.4 |
| South West | 16 | 361.10 | 14 | 210.20 | 95 | 2680.00 | 42 | 899.70 | |
| Monsoon | |||||||||
| 5 | October | 1 | 6 | 2 | 33.4 | 7 | 91 | 6 | 111.8 |
| 6 | November | 10 | 464 | 16 | 622.1 | 3 | 44 | 1 | 34.6 |
| 7 | December | 2 | 34.4 | 8 | 49.2 | 2 | 30 | 2 | 4.6 |
| North East | 13 | 504.40 | 26 | 704.70 | 12 | 165.00 | 9 | 151.00 | |
| Monsoon | |||||||||
| 8 | January | 2 | 15.2 | 6 | 35.6 | - | - | - | - |
| 9 | February | - | - | - | - | - | - | - | - |
| Winter | 2 | 15.20 | 6 | 35.60 | 0 | 0.00 | 0 | 0.00 | |
| Period | |||||||||
| 10 | March | - | - | - | - | - | - | 2 | 64.4 |
| 11 | April | - | - | - | - | 4 | 88 | - | - |
| 12 | May | 3 | 80.8 | 2 | 65.4 | 9 | 108 | 1 | 24 |
| Hot Weather | 3 | 80.80 | 2 | 65.40 | 13 | 196.00 | 3 | 88.40 | |
| Period | |||||||||
| Annual | 34 | 961.50 | 48 | 1015.90 | 120 | 3041.00 | 54 | 1139.10 | |
| Total | |||||||||
| 962 | 1016 | 3041 | 1139 | ||||||