Sub periods Change in rainfall (%) Change in rainfall (%)
1955-70 5.6 12.2
1971-80 -0.36 -10.9
1981-93 -8.7 -24.8
1971-93 -3.5 -17.9
1994-2010 1.4 10.0
Table 2: Rate of Change in Runoff during the Major Temporal Variability in Rainfall.