Directorate of Extension Education
Past five year rainfall data for district : Bongaigoan
  2004 2005 2006 2007 2008
January R/F 15.2 18.4 0 0 10
%DEP. 1 22 -100 -100 -34
February R/F 9 3.2 17.6 0 41.4
%DEP. -45 -80 8 -100 154
March R/F 39.8 276.2 0 0 76.8
%DEP. -3 255 -100 -100 -1
April R/F 357.1 381.2 160.7 0 196.9
%DEP. 83 71 -28 -100 -12
May R/F 665.1 272.2 182.2 200 242.2
%DEP. 59 -48 -65 -62 -54
June R/F 460.5 567.7 393.8 636.6 477.5
%DEP. -31 -15 -41 -5 -29
July R/F 1071.7 460 481.2 818.4 681.7
%DEP. 78 -23 -20 36 14
August R/F 141.4 276.6 144.8 311 890.9
%DEP. -62 -25 -61 -16 141
September R/F 176.2 136.2 381.6 490 274.6
%DEP. -57 -67 -8 19 -34
October R/F 216.6 356.4 0 127.3 129
%DEP. 39 129 -100 -18 -17
November R/F 0 3.2 0 1.7 0
%DEP. -100 -89 -100 -94 -100
December R/F 7.2 0 0 4.3 0
%DEP. -27 -100 -100 -56 -100