condition	mean	min	max
4 h after light	3.186315	2.90849	3.46414
8 h after light	3.76952	3.34639	4.19265
12 h after light	4.05595	3.49755	4.61435
4 h after dark	6.441255	6.42945	6.45306
8 h after dark	4.744260000000001	4.46457	5.02395
12 h after dark	4.17365	3.75219	4.59511