condition	mean	min	max
4 h after light	6205.6	6205.6	6205.6
8 h after light	6212.3	6046.5	6378.1
12 h after light	6034.55	6015.8	6053.3
4 h after dark	5574.8	5414.8	5734.8
8 h after dark	5579.65	5518.7	5640.6
12 h after dark	4983.85	4734.1	5233.6