approach paper on ground water quality issues in islands

StationNo of Years(Data)Table.2.4. Normal and Extremes of RainfallJan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec AnnualMinicoy 50 a 43.2 22.3 20.8 51.3 179.6 309.1 238.3 209.3 158.2 179.1 143.3 85.9 1640.4b 2.6 1.3 1.4 2.9 8.7 17.4 13.9 12.4 10.1 10.6 8.1 4.7 94.1Amini 50 a 20.6 2.0 4.3 25.4 125.2 380.7 311.9 217.2 149.6 141.1 85.6 40.9 1504.5b 1.3 0.3 0.3 1.4 5.2 17.3 16.5 12.3 10.2 8.4 5.0 2.2 80.4Normal Rain Fall in mm (b) Average no. of Rainy days (days with rain of 2.5 mm or more) - based on all available data up to 1965Table.2.5. Rainfall during the period 2004 to 2009Year 2004 2005 2006 2007 2008 2009RF Dep RF Dep RF Dep RF Dep RF Dep RF DepJan 7.2 -65 17.6 -14 23.1 13 9.8 -52 5.5 -73 4.7 -77Feb 1.5 -91 11.0 -33 0.0 -100 4.7 -72 19.9 21 1.4 -92Mar 1.9 -84 0.0 -100 44.0 252 0.0 -100 120.4 863 0.1 -99Apr 7.6 -82 37.1 -14 0.3 -99 16.9 -61 15.7 -63 18.2 -58May 874.0 392 92.7 -48 411.3 131 147.3 -17 180.4 1 162.0 -9Jun 251.3 -23 248.8 -24 286.5 -12 555.6 71 254.5 -22 401.6 23Jul 280.9 0 381.9 35 172.6 -39 298.3 6 364.0 29 266.4 -6Aug 169.4 -20 102.4 -52 150.7 -29 267.2 26 206.5 -3 185.0 -13Sep 200.0 22 277.9 69 318.2 94 346.0 110 108.9 -34 144.9 -12Oct 193.3 26 164.2 7 119.2 -22 213.6 40 253.0 65 89.2 -42Nov 107.5 -8 218.1 87 158.7 36 52.1 -55 67.5 -42Dec 2.2 -96 27.3 -54 10.8 -82 126.4 114 130.1 121Note: RF =Rainfall in mm; Dep = % departure from normal RainfallAPPROACH PAPER ON GROUND WATER QUALITY ISSUES IN ISLANDS Page 41