| ANNUAL RAINFALL - 1973 | |||||||||
| Sl. No. | Month | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | ||
| 1 | January | 1 | 7.00 | - | - | - | - | 1 | 0.10 |
| 2 | February | - | - | 1 | 21.00 | - | - | 1 | 3.60 |
| 3 | March | - | - | - | - | - | - | 1 | 3.00 |
| 4 | April | - | - | 1 | 3.00 | 1 | 53.00 | - | - |
| 5 | May | - | - | 4 | 16.80 | 12 | 208.90 | 3 | 54.40 |
| 6 | June | 4 | 19.50 | 1 | 0.50 | 24 | 840.70 | 8 | 70.30 |
| 7 | July | 7 | 65.00 | 3 | 37.50 | 25 | 707.00 | 16 | 209.40 |
| 8 | August | 13 | 237.00 | 10 | 81.00 | 29 | 599.40 | 13 | 182.10 |
| 9 | September | 10 | 137.50 | 5 | 58.00 | 5 | 47.00 | 14 | 156.00 |
| 10 | October | 13 | 269.50 | 13 | 227.50 | 13 | 152.00 | 17 | 385.00 |
| 11 | November | 6 | 201.50 | 14 | 287.40 | 3 | 33.00 | 6 | 57.20 |
| 12 | December | 6 | 101.50 | 13 | 173.30 | 2 | 52.50 | - | - |
| Total | 60 | 1038.50 | 65 | 906.00 | 114 | 2693.50 | 80 | 1121.10 | |
| 1039 | 906 | 2694 | 1121 | ||||||
| REGIONWISE RAINFALL PARTICULARS OF PONDICHERRY REGION FOR THE YEAR 1973-74 | |||||||||
| Sl. No. | Month/ | Pondicherry | Karaikal | Mahe | Yanam | ||||
| Season | Days | Rainfall | Days | Rainfall | Days | Rainfall | Days | Rainfall | |
| 1 | June | 4 | 19.5 | 1 | 0.5 | 24 | 840.7 | 8 | 70.3 |
| 2 | July | 7 | 65 | 3 | 37.5 | 25 | 707 | 16 | 209.4 |
| 3 | August | 13 | 237 | 10 | 81 | 29 | 599.4 | 13 | 182.1 |
| 4 | September | 10 | 137.5 | 5 | 58 | 5 | 47 | 14 | 156 |
| South West | 34 | 459.00 | 19 | 177.00 | 83 | 2194.10 | 51 | 617.80 | |
| Monsoon | |||||||||
| 5 | October | 13 | 269.5 | 13 | 227.5 | 13 | 152 | 17 | 385 |
| 6 | November | 6 | 201.5 | 14 | 287.4 | 3 | 33 | 6 | 57.2 |
| 7 | December | 6 | 101.5 | 13 | 173.3 | 2 | 52.5 | - | - |
| North East | 25 | 572.50 | 40 | 688.20 | 18 | 237.50 | 23 | 442.20 | |
| Monsoon | |||||||||
| 8 | January | - | - | - | - | - | - | - | - |
| 9 | February | - | - | 3 | 6 | - | - | - | - |
| Winter | 0 | 0.00 | 3 | 6.00 | 0 | 0.00 | 0 | 0.00 | |
| Period | |||||||||
| 10 | March | 1 | 17.5 | 2 | 27.6 | 1 | 4.5 | - | - |
| 11 | April | - | - | - | - | 4 | 113.4 | - | - |
| 12 | May | 4 | 43.5 | - | - | 16 | 344.2 | - | - |
| Hot Weather | 5 | 61.00 | 2 | 27.60 | 21 | 462.10 | 0 | 0.00 | |
| Period | |||||||||
| Annual | 64 | 1092.50 | 64 | 898.80 | 122 | 2893.70 | 74 | 1060.00 | |
| Total | |||||||||
| 1093 | 899 | 2894 | 1060 | ||||||