condition	mean	min	max
0 h after light	3.927915	3.83551	4.02032
4 h after light	2.935275	2.47297	3.39758
8 h after light	3.03544	2.77928	3.2916
4 h after dark	3.83254	3.78357	3.88151
8 h after dark	3.70376	3.49899	3.90853
12 h after dark	4.01531	3.82246	4.20816