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Table 4: Percentage increase in 24-hour rainfall depth for a range of events and three different climate scenarios
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| Rainfall Event ARI | Percentage change per degree warming | Percentage increase in 24- hour rainfall = (% change per degree warming) x (°C increase in annual mean temperature) | ||
|---|---|---|---|---|
| Low (+0.6 °C) | Medium (+2°C) | High (+3.8°C) | ||
| 2 year | 5.4% | 3.2% | 10.8% | 20.5% |
| 5 year | 5.9% | 3.5% | 11.8% | 22.4% |
| 10 year | 6.2% | 3.7% | 12.4% | 23.6% |
| 20 year | 6.4% | 3.8% | 12.8% | 24.3% |
| 50 year | 6.6% | 4.0% | 13.2% | 25.1% |
| 100 year | 6.7% | 4.0% | 13.4% | 25.5% |
