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<script src="https://www.waterdashboard.co.za/widget.js" data-variant="level" async></script>The dams started 2003 at 85% full and ended it at 66%. They were lowest at 52% on 19 July 2003 and highest at 85% on 1 January 2003.
The 15th lowest yearly low of the 27 years since 2000.
Winter rain was 63% of average, and it was neither an El Niño nor a La Niña winter.
Winter rain is April to September in central Cape Town (Open-Meteo), against the average winter since 2000.
The average combined level in each month.
| Month | Average level |
|---|---|
| January | 80% |
| February | 72% |
| March | 63% |
| April | 60% |
| May | 57% |
| June | 56% |
| July | 54% |
| August | 59% |
| September | 75% |
| October | 79% |
| November | 77% |
| December | 69% |
Combined storage of the six big dams, by date. Normal is the middle half of the years before it.
| Date | 2003 | 2002 | Normal range |
|---|---|---|---|
| 1 Jan | 85% | 90% | - |
| 15 Jan | 81% | 87% | - |
| 1 Feb | 75% | 86% | - |
| 15 Feb | 72% | 83% | - |
| 1 Mar | 68% | 79% | - |
| 15 Mar | 64% | 76% | - |
| 1 Apr | 61% | 72% | - |
| 15 Apr | 60% | 69% | - |
| 1 May | 58% | 68% | - |
| 15 May | 57% | 68% | - |
| 1 Jun | 57% | 72% | - |
| 15 Jun | 56% | 76% | - |
| 1 Jul | 55% | 82% | - |
| 15 Jul | 54% | 87% | - |
| 1 Aug | 54% | 99% | - |
| 15 Aug | 57% | 100% | - |
| 1 Sep | 70% | 100% | - |
| 15 Sep | 75% | 101% | - |
| 1 Oct | 78% | 100% | - |
| 15 Oct | 79% | 100% | - |
| 1 Nov | 80% | 99% | - |
| 15 Nov | 78% | 97% | - |
| 1 Dec | 73% | 94% | - |
| 15 Dec | 69% | 90% | - |
Source: City of Cape Town. History from City open data (2000 to January 2026).