condition	mean	min	max
4 h after light	3.711714	3.5202940000000003	4.018493
8 h after light	3.311389	3.0897040000000002	3.679499
12 h after light	1.6807133333333333	1.500949	1.908009
16 h after light	3.648436333333333	3.149426	4.200225
4 h after dark	2.913829	2.563749	3.458354
8 h after dark	2.257425	1.6902840000000001	3.204901