condition	mean	min	max
4 h after light	30.0	30.0	30.0
8 h after light	54.3	28.8	79.8
12 h after light	37.1	20.6	53.6
4 h after dark	16.25	8.2	24.3
8 h after dark	20.3	7.5	33.1
12 h after dark	49.75	48.1	51.4