condition	mean	min	max
0 h after light	4.157215000000001	4.11659	4.19784
4 h after light	3.662995	3.41273	3.91326
8 h after light	3.36905	3.31366	3.42444
4 h after dark	4.177495	4.08012	4.27487
8 h after dark	4.3303899999999995	4.22038	4.4404
12 h after dark	4.43448	4.38953	4.47943