Reservoir | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
HAD | 4.1 | 4.27 | 5.6 | 6.53 | 8.1 | 8.73 | 8.67 | 8.47 | 7.9 | 7.13 | 5.53 | 4.43 |
GERD | 6.34 | 6.76 | 5.07 | 4.87 | 3.65 | −0.56 | −7.3 | −6.59 | −1.05 | 2.96 | 4.69 | 5.8 |