condition	mean	min	max
0 h after light	2.13865	1.86329	2.41401
4 h after light	1.766305	1.67776	1.85485
8 h after light	2.337145	1.93363	2.74066
4 h after dark	3.15457	3.07046	3.23868
8 h after dark	3.210275	3.00111	3.41944
12 h after dark	1.87591	1.85748	1.89434