condition	mean	min	max
0 h after light	2.4353749999999996	2.20184	2.66891
4 h after light	2.2729	1.75962	2.78618
8 h after light	2.200315	1.83782	2.56281
4 h after dark	2.279305	2.00445	2.55416
8 h after dark	1.942195	1.62351	2.26088
12 h after dark	1.43232	1.25427	1.61037