| 1985 | 1988 | 1994 | 1997 | 1999 | 2002 | 2007 | 2011 |
Input (precipitation) (m3 × 106) | 3.40 | 3.22 | 3.17 | 5.88 | 4.11 | 3.12 | 3.81 | 3.09 |
Q (discharge) (m3) | 8010 | 10500 | 8120 | 12500 | 8580 | 4030 | 8050 | 7740 |
Total ET (grass) (m3 × 106) | 10.1 | 9.49 | 10.0 | 9.20 | 8.89 | 9.58 | 9.13 | 8.78 |
Total ET (corn) (m3 × 106) | 7.92 | 7.49 | 8.02 | 7.38 | 7.14 | 7.73 | 7.44 | 7.14 |
S (with grass) (m3 × 106) | 6.67 | 6.28 | 6.84 | 3.34 | 4.79 | 6.46 | 5.33 | 5.69 |
S (with corn) (m3 × 106) | 4.52 | 4.28 | 4.86 | 1.52 | 3.04 | 4.62 | 3.64 | 4.06 |