condition	mean	min	max
0 h after light	3.71747	3.71394	3.721
4 h after light	6.49616	6.4089	6.58342
8 h after light	9.17094	8.54435	9.79753
4 h after dark	10.31355	10.228	10.3991
8 h after dark	7.897985	7.88884	7.90713
12 h after dark	4.21821	3.45023	4.98619