condition	mean	min	max
0 h after light	8.043935000000001	6.75714	9.33073
4 h after light	7.391540000000001	6.65031	8.13277
8 h after light	5.63176	5.03515	6.22837
4 h after dark	4.369675	4.32298	4.41637
8 h after dark	6.338	6.20022	6.47578
12 h after dark	8.563895	7.24825	9.87954