condition	mean	min	max
4 h after light	2.677575	2.47972	2.87543
8 h after light	3.1129949999999997	3.0239	3.20209
12 h after light	3.7217200000000004	3.56191	3.88153
4 h after dark	3.9674266666666664	2.97506	5.20738
8 h after dark	2.59047	2.05935	2.97838
12 h after dark	2.855496666666667	2.40442	3.57952