condition	mean	min	max
4 h after light	20.3	20.3	20.3
8 h after light	49.900000000000006	35.1	64.7
12 h after light	17.3	15.6	19.0
4 h after dark	42.25	5.1	79.4
8 h after dark	28.4	11.8	45.0
12 h after dark	21.75	6.1	37.4