condition	mean	min	max
4 h after light	2.146235	2.02145	2.27102
8 h after light	3.929045	3.32819	4.5299
12 h after light	4.838514999999999	4.32914	5.34789
4 h after dark	7.962815	6.7981	9.12753
8 h after dark	6.03693	5.761	6.31286
12 h after dark	4.529745	4.27133	4.78816