condition	mean	min	max
4 h after light	8960.606666666667	8685.64	9393.476667
8 h after light	9651.805001	7654.793333	10662.13667
12 h after light	10942.69778	8848.61	12779.92667
1.5 h after dark	11452.415556666667	9210.47	13533.32
5.5 h after dark	12698.117776666666	11431.73	13969.23
9.5 h after dark	11056.640001	9935.543333	12962.91667