8
16:00
artificial light
8
16:00
6
16:15
7
4:59
6
7:32
6
7:23
8
5:01
7
3:01
6
5:34
6
6:25
6
5:15
8
9:18
7
18:49
7
4:11
10
2:54
9
4:00
8
9:46
5
4:38
7
12:11
7
6:03
7
4:52
7
19:46
6
4:24
10
14:22
12
12:42
16
5:33
7
20:39
7
6:28
12
25:03
7
15:45
8
3:21
11
2:03:04
5
15:06
16
9:22
5
7:54
10
16:29
9
16:34
18
51:50
7
3:03:09
8
45:30
10
1:42:56
7
1:04:37
8
47:43
10
29:34
7
2:23
11
52:14
8
18:11
7
32:32
8
18:10
6
8:05
6
0:59