region_id,month,avg_temp
AT21,1,-4.22
AT21,2,-2.55
AT21,3,1.59
AT21,4,6.39
AT21,5,10.89
AT21,6,14.64
AT21,7,16.48
AT21,8,16.22
AT21,9,11.51
AT21,10,6.73
AT21,11,1.77
AT21,12,-3.4