Year | Monthly mean water level | Water level (9 m) | Water level (11 m) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
April | May | June | April | May | June | ||||||||||
April | May | June | Rising date | Rising days | Rising date | Rising days | Rising date | Rising days | Rising date | Rising days | Rising date | Rising days | Rising date | Rising days | |
1993 | 9.30 | 11.99 | 13.75 | 1 | 28 |  | 31 |  | 30 | – | 0 | 8 | 24 |  | 30 |
1994 | 10.54 | 12.79 | 14.76 | 7 | 24 | Â | 31 | Â | 30 | 15 | 16 | Â | 31 | Â | 30 |
1995 | 10.43 | 13.06 | 16.52 | 10 | 21 | Â | 31 | Â | 30 | 19 | 12 | Â | 31 | Â | 30 |
1996 | 10.83 | 10.66 | 13.93 | 1 | 30 | Â | 31 | Â | 30 | 7 | 15 | 19 | 13 | Â | 30 |
1997 | 10.79 | 11.79 | 12.74 | 3 | 28 | Â | 31 | Â | 30 | 21 | 10 | Â | 31 | Â | 30 |
1998 | 11.74 | 12.59 | 14.99 | 1 | 30 | Â | 31 | Â | 30 | 1 | 29 | 10 | 22 | Â | 30 |
1999 | 8.83 | 12.72 | 14.56 | 19 | 12 | Â | 31 | Â | 30 | 23 | 8 | Â | 31 | Â | 30 |
2000 | 9.56 | 9.50 | 13.47 | 12 | 19 |  | 18 |  | 30 | – | 0 | 2 | 3 | 5 | 26 |
2001 | 9.69 | 12.65 | 12.82 | 10 | 21 | Â | 31 | Â | 30 | 27 | 4 | Â | 29 | 10 | 21 |
2002 | 9.58 | 15.37 | 14.99 | 20 | 11 | Â | 31 | Â | 30 | 25 | 6 | Â | 31 | Â | 30 |
2003 | 10.40 | 13.43 | 13.37 | 1 | 30 | Â | 31 | Â | 30 | 17 | 14 | Â | 31 | Â | 30 |
2004 | 8.03 | 11.74 | 13.28 | – | 0 | 2 | 29 |  | 30 | – | 0 | 12 | 20 |  | 30 |
2005 | 8.79 | 11.64 | 15.17 | 17 | 5 | 7 | 25 |  | 30 | – | 0 | 13 | 19 |  | 30 |
2006 | 10.04 | 11.86 | 13.74 | 1 | 20 | Â | 31 | Â | 30 | 17 | 9 | 11 | 21 | Â | 30 |
2007 | 7.72 | 8.69 | 11.77 | – | 0 | 1 | 13 | 2 | 29 | – | 0 | – | 0 | 14 | 17 |
2008 | 9.80 | 10.02 | 12.49 | 6 | 25 |  | 31 |  | 30 | – | 0 | – | 0 | 11 | 20 |
2009 | 9.32 | 11.82 | 12.82 | 20 | 11 | Â | 31 | Â | 30 | 25 | 6 | Â | 31 | Â | 30 |
2010 | 11.29 | 13.78 | 15.85 | 10 | 21 | Â | 31 | Â | 30 | 15 | 16 | Â | 31 | Â | 30 |
2011 | 7.19 | 7.42 | 12.16 | – | 0 | – | 0 | 8 | 23 | – | 0 | – | 0 | 12 | 19 |
2012 | 9.60 | 14.27 | 15.52 | 16 | 15 | Â | 31 | Â | 30 | 27 | 4 | Â | 31 | Â | 30 |
2013 | 10.19 | 12.42 | 14.27 | 1 | 30 | Â | 31 | Â | 30 | 10 | 2 | 10 | 22 | Â | 30 |
2014 | 9.06 | 12.45 | 13.88 | 19 | 12 | Â | 31 | Â | 30 | 30 | 1 | Â | 31 | Â | 30 |
2015 | 10.59 | 11.79 | 16.05 | 4 | 27 | Â | 31 | Â | 30 | 7 | 12 | 14 | 17 | Â | 30 |
2016 | 12.75 | 15.49 | 15.97 | 1 | 30 | Â | 31 | Â | 30 | 8 | 23 | Â | 31 | Â | 30 |