Is it overcast?
No, it is sunny.
    src        edge_attr  dst
0     0   to the left of   13
1     0  to the right of    5
2     0   to the left of   12
3     1   to the left of    2
4     2  to the right of    1
5     2  to the right of    3
6     2  to the right of    4
7     2  to the right of    8
8     3   to the left of    2
9     4   to the left of    2
10    5   to the left of    0
11    5   to the left of   13
12    6               in    7
13    8   to the left of    2
14   12  to the right of   13
15   12  to the right of    0
16   13  to the right of    5
17   13   to the left of   12
18   13  to the right of    0