region_id,month,avg_temp
BG31,1,-0.63
BG31,2,1.6
BG31,3,6.54
BG31,4,11.99
BG31,5,17.21
BG31,6,21.33
BG31,7,23.68
BG31,8,23.69
BG31,9,18.69
BG31,10,12.74
BG31,11,6.55
BG31,12,0.94