step_ahead,prediction
1,33.41043
2,33.351727
3,33.454636
4,33.34947
5,33.432453
6,33.071705
7,33.68689
8,33.569366
9,33.339897
10,33.807655
11,33.457966
12,33.722157
13,33.67571
14,33.487732
15,33.492985
16,33.584118
17,33.920006
18,34.179737
19,33.45131
20,33.736286
21,33.78462
22,34.239048
23,33.420006
24,33.806953
25,33.717865
26,33.677277
27,33.990005
28,34.107517
29,33.80245
30,34.14268