condition	mean	min	max
4 h after light	4.0745000000000005	3.07132	5.07768
8 h after light	2.7583900000000003	2.64869	2.86809
12 h after light	2.62064	2.41935	2.82193
4 h after dark	4.2727	4.12086	4.42454
8 h after dark	3.123885	2.56982	3.67795
12 h after dark	3.53234	3.47343	3.59125