| Year | Area (km2) | Difference from baseline area (km2) | Average area (2010–2017) (km2) | Difference (km2) | Shift (km2) | Advancing side | Receding side |
| ≥2.5 mm/day (light rainfall) | Baseline (1998–2017) | 225,322 | | 281,355 | +56,033 | 11,752 | 7,523 | 2010 | 441,384 | 216,062 | | | | | 2011 | 270,487 | 45,165 | | | | | 2012 | 269,659 | 44,337 | | | | | 2013 | 236,788 | 11,466 | | | | | 2014 | 203,541 | −21,781 | | | | | 2015 | 420,155 | 194,833 | | | | | 2016 | 243,272 | 17,950 | | | | | 2017 | 165,551 | −59,771 | | | | |
| ≥4 mm/day (moderate to heavy rainfall) | Baseline (1998–2017) | 158,838 | | 133,567 | −25,271 | | 14,388 | 2010 | 292,311 | 133,473 | | | | | 2011 | 153,214 | −5,624 | | | | | 2012 | 85,961 | −72,877 | | | | | 2013 | 137,429 | −21,409 | | | | | 2014 | 116,010 | −42,828 | | | | | 2015 | 110,730 | −48,108 | | | | | 2016 | 92,809 | −66,029 | | | | | 2017 | 80,073 | −78,765 | | | | |
|
|