condition	mean	min	max
0 h after light	5.076035	4.57845	5.57362
4 h after light	5.14157	4.17126	6.11188
8 h after light	6.598555	6.45993	6.73718
4 h after dark	8.69259	8.09924	9.28594
8 h after dark	8.64617	8.52998	8.76236
12 h after dark	6.023820000000001	5.96136	6.08628