Period | Drop in water level | Withdrawal for water supply | Total lake loss | Cumulative lake loss | Evaporation from pan | Evaporation from lake | Cumulative lake evaporation |
(F) | (W) | (F-W) | Σ (F − W) | (P) | mP = P × 0.70 | Σ(mP) | |
(m) | (m) | (m) | (m) | (m) | (m) | (m) | |
Jan ‘85 | 0.80 | 0.60 | 0.20 | 0.20 | 0.15 | 0.11 | 0.11 |
Feb ‘85 | 0.90 | 0.68 | 0.22 | 0.42 | 0.19 | 0.13 | 0.24 |
March ‘85 | 1.00 | 0.72 | 0.28 | 0.70 | 0.27 | 0.19 | 0.43 |
April ‘85 | 1.11 | 0.82 | 0.29 | 0.99 | 0.30 | 0.21 | 0.64 |
May ‘85 | 1.27 | 0.93 | 0.34 | 1.33 | 0.35 | 0.25 | 0.88 |
June ‘85 | 1.29 | 0.97 | 0.32 | 1.65 | 0.33 | 0.23 | 1.11 |