| Year | Rainfall Amount (mm) | Year | Rainfall Amount (mm) | Year | Rainfall Amount (mm) |
| 1986 | 113.4 | 1996 | 133.8 | 2006 | 141.1 |
| 1987 | 91.5 | 1997 | 108.4 | 2007 | 117.4 |
| 1988 | 139.2 | 1998 | 117.4 | 2008 | 117.4 |
| 1989 | 95.4 | 1999 | 99.4 | 2009 | 98.1 |
| 1990 | 87.3 | 2000 | 118.5 | 2010 | 145.9 |
| 1991 | 111.3 | 2001 | 76.8 | 2011 | 180 |
| 1992 | 83.4 | 2002 | 87.3 | 2012 | 137.5 |
| 1993 | 120.3 | 2003 | 139.2 | 2013 | 164.5 |
| 1994 | 129.2 | 2004 | 139.2 | 2014 | 238.9 |
| 1995 | 148.5 | 2005 | 148.5 | 2015 | 197.3 |