region_id,month,avg_temp
CZ04,1,-0.5
CZ04,2,0.4
CZ04,3,3.89
CZ04,4,8.93
CZ04,5,13.62
CZ04,6,17.14
CZ04,7,19.23
CZ04,8,19.0
CZ04,9,14.28
CZ04,10,9.05
CZ04,11,3.91
CZ04,12,0.54