condition	mean	min	max
4 h after light	3.42044	3.25368	3.5872
8 h after light	2.543735	2.3537	2.73377
12 h after light	2.597715	2.21437	2.98106
4 h after dark	3.56696	3.27764	3.85628
8 h after dark	2.835	2.58847	3.08153
12 h after dark	3.3175850000000002	3.08518	3.54999