condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	4.8	3.8	5.8
12 h after light	15.0	8.5	21.5
4 h after dark	5.1	2.4	7.8
8 h after dark	25.099999999999998	16.4	33.8
12 h after dark	9.9	4.8	15.0