Advances in Meteorology

Research Article

Spatio-Temporal Rainfall Variability and Concentration over Sri Lanka

Table 4

Station-wise wet and dry years observed in Sri Lanka based on SRAI (1990–2019).


Stations	Wet years	Dry years

Jaffna	1990, 1993, 2001, 2004, 2008, 2015	1992, 2006, 2012, 2016, 2000, 2013
Vavuniya	1993, 2000, 2011, *2014, 2015*	1992, 1995, 2005, 2006, 2016
Trincomalee	*2011*, 2015, 2018	1998, 2007, 2016
Puttalam	2002, 2014, 2015, *2019*	2007, 2011, 2013, 2017
Mahailluppallama	1997, 2002, *2014, 2015, 2019*	1992, 1998, 2003, 2005, 2009, 2013
Parakrama Samudraya	1990, 1994, 1997, *2011, 2015*	1995, 1996, 1998, 2016, 2017
Batticaloa	1994, 2004, 2011, 2014	1992, 1998, 2005, 2006, 2016
Kurunegala	*1997, 2006, 2008, 2010, 2014*, 2018	2000, 2001,*2003*, 2007
Katugastota	1993, *2010, 2014*	1998, 2003, 2004, 2016, 2017, 2019
Badulla	2006, 2010, *2011, 2014, 2015*	1992, 1998, 2001, *2016*
Colombo	1999, 2005, *2010* , 2015, 2019	2000, 2001, 2003, 2004, 2011, 2013
Ratnapura	1998, 1999, 2010, *2014*, 2017	2007, *2009, 2016*
Wellawaya	2015, *2017, 2018, 2019*	1993, 1999, 2001, 2002, 2003
Galle	1999, 2007, 2010, 2019	1990, 2001, *2002*, 2003, 2005, 2013
Hambantota	1997, 2006, 2015, *2019*	*1992, 2001, 2016*, 2018
Sri Lanka	2010, 2011, *2014, 2015*, 2019	1992, 1996, 2001, 2003, 2016

SRAI = standardized rainfall anomaly index; bold value shows severe wet and dry years; bold and Italic value shows extremely wet and dry years.