| ANNUAL RAINFALL - 1951 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | - | 6.75 | - | 38.00 | - | - | - | - |
| 2 | February | - | - | - | - | - | - | - | - |
| 3 | March | - | 3.25 | - | 23.50 | - | - | - | 16.00 |
| 4 | April | - | 147.00 | - | 56.00 | - | 123.19 | - | 7.00 |
| 5 | May | - | 19.00 | - | 43.50 | - | 17.02 | - | 33.00 |
| 6 | June | - | 18.50 | - | 28.50 | - | 1120.14 | - | 77.00 |
| 7 | July | - | 43.50 | - | 36.50 | - | 770.64 | - | 366.00 |
| 8 | August | - | 165.78 | - | 25.50 | - | 244.35 | - | 210.00 |
| 9 | September | - | 150.40 | - | 57.00 | - | 310.39 | - | 443.00 |
| 10 | October | - | 53.00 | - | 171.50 | - | 104.65 | - | 108.00 |
| 11 | November | - | 367.50 | - | 442.50 | - | 95.50 | - | 122.00 |
| 12 | December | - | - | - | 38.00 | - | 1.52 | - | 6.00 |
| Total | 0 | 974.68 | 0 | 960.50 | 0 | 2787.40 | 0 | 1388.00 | |
| 975 | 961 | 2787 | 1388 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1951-52 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | - | 18.5 | - | 28.5 | - | 1120.14 | - | 77 |
| 2 | July | - | 43.5 | - | 36.5 | - | 770.64 | - | 366 |
| 3 | August | - | 165.78 | - | 25.5 | - | 244.35 | - | 210 |
| 4 | September | - | 150.4 | - | 57 | - | 310.39 | - | 443 |
| South West | 0 | 378.18 | 0 | 147.50 | 0 | 2445.52 | 0 | 1096.00 | |
| Monsoon | |||||||||
| 5 | October | - | 53 | - | 171.5 | - | 104.65 | - | 108 |
| 6 | November | - | 367.5 | - | 442.5 | - | 95.5 | - | 122 |
| 7 | December | - | - | - | 38 | - | 1.52 | - | 6 |
| North East | 0 | 420.50 | 0 | 652.00 | 0 | 201.67 | 0 | 236.00 | |
| Monsoon | |||||||||
| 8 | January | - | 25 | - | 102.5 | - | - | - | - |
| 9 | February | - | 17.75 | - | 10 | - | 13.46 | - | 60 |
| Winter | 0 | 42.75 | 0 | 112.50 | 0 | 13.46 | 0 | 60.00 | |
| Period | |||||||||
| 10 | March | - | - | - | - | - | - | - | - |
| 11 | April | - | - | - | - | - | 56.39 | - | - |
| 12 | May | - | 38.5 | - | 20 | - | 107.44 | - | 65 |
| Hot Weather | 0 | 38.50 | 0 | 20.00 | 0 | 163.83 | 0 | 65.00 | |
| Period | |||||||||
| Annual | 0 | 879.93 | 0 | 932.00 | 0 | 2824.48 | 0 | 1457.00 | |
| Total | |||||||||
| 880 | 932 | 2824 | 1457 | ||||||