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<script src="https://www.waterdashboard.co.za/widget.js" data-variant="level" async></script>The dams started 2017 at 47% full and ended it at 31%. They were lowest at 19% on 1 June 2017 and highest at 47% on 1 January 2017.
The lowest point of any year since 2000.
Winter rain was 67% 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 | 43% |
| February | 36% |
| March | 30% |
| April | 25% |
| May | 21% |
| June | 22% |
| July | 26% |
| August | 31% |
| September | 37% |
| October | 38% |
| November | 37% |
| December | 33% |
Combined storage of the six big dams, by date. Normal is the middle half of the years before it.
| Date | 2017 | 2016 | Normal range |
|---|---|---|---|
| 1 Jan | 47% | 55% | 71% to 90% |
| 15 Jan | 43% | 52% | 67% to 87% |
| 1 Feb | 39% | 47% | 62% to 84% |
| 15 Feb | 36% | 43% | 57% to 80% |
| 1 Mar | 32% | 39% | 53% to 76% |
| 15 Mar | 30% | 35% | 50% to 73% |
| 1 Apr | 27% | 32% | 45% to 69% |
| 15 Apr | 25% | 30% | 42% to 66% |
| 1 May | 23% | 32% | 41% to 63% |
| 15 May | 21% | 31% | 42% to 63% |
| 1 Jun | 19% | 30% | 48% to 65% |
| 15 Jun | 23% | 30% | 50% to 76% |
| 1 Jul | 25% | 38% | 54% to 82% |
| 15 Jul | 26% | 43% | 54% to 87% |
| 1 Aug | 28% | 54% | 67% to 94% |
| 15 Aug | 31% | 57% | 71% to 100% |
| 1 Sep | 35% | 60% | 81% to 101% |
| 15 Sep | 37% | 62% | 84% to 101% |
| 1 Oct | 38% | 62% | 85% to 101% |
| 15 Oct | 37% | 62% | 86% to 100% |
| 1 Nov | 38% | 60% | 85% to 99% |
| 15 Nov | 37% | 57% | 84% to 99% |
| 1 Dec | 36% | 54% | 81% to 97% |
| 15 Dec | 33% | 50% | 77% to 95% |
Source: City of Cape Town. History from City open data (2000 to January 2026).