condition	mean	min	max
4 h after light	11.8	11.8	11.8
8 h after light	25.25	20.9	29.6
12 h after light	64.5	55.1	73.9
4 h after dark	25.0	1.8	48.2
8 h after dark	44.8	28.0	61.6
12 h after dark	17.85	8.1	27.6