condition	mean	min	max
4 h after light	3.8015	3.74623	3.84976
8 h after light	3.7969033333333333	3.7652300000000003	3.8520199999999996
12 h after light	3.83769	3.74845	3.9121
4 h after dark	3.7769766666666666	3.68733	3.8832
8 h after dark	3.7607000000000004	3.7309900000000003	3.79483
12 h after dark	3.8456166666666665	3.71425	3.95802