condition	mean	min	max
0 h after light	2.98297	2.30367	3.66227
4 h after light	6.31365	6.16145	6.46585
8 h after light	9.839855	9.01601	10.6637
4 h after dark	7.793374999999999	7.22206	8.36469
8 h after dark	4.67024	3.55269	5.78779
12 h after dark	3.060035	2.12637	3.9937