condition	mean	min	max
4 h after light	87.0	87.0	87.0
8 h after light	86.2	77.0	95.4
12 h after light	59.4	16.5	102.3
4 h after dark	72.6	33.1	112.1
8 h after dark	89.4	82.6	96.2
12 h after dark	37.9	33.0	42.8