condition	mean	min	max
0 h after light	7.867325000000001	7.65711	8.07754
4 h after light	4.15454	3.8719	4.43718
8 h after light	3.7139300000000004	3.47054	3.95732
4 h after dark	5.708114999999999	5.20377	6.21246
8 h after dark	5.835559999999999	5.57173	6.09939
12 h after dark	7.32718	6.29949	8.35487