condition	mean	min	max
0 h after light	6.119455	5.90299	6.33592
4 h after light	13.373000000000001	12.7833	13.9627
8 h after light	12.90695	12.7231	13.0908
4 h after dark	7.10671	6.52218	7.69124
8 h after dark	11.20925	10.6931	11.7254
12 h after dark	8.09977	6.21087	9.98867