condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	19.4	11.4	27.4
12 h after light	18.25	13.1	23.4
4 h after dark	33.0	14.5	51.5
8 h after dark	7.1	3.5	10.7
12 h after dark	10.8	5.5	16.1