condition	mean	min	max
4 h after light	78.6	78.6	78.6
8 h after light	86.15	76.0	96.3
12 h after light	52.3	49.5	55.1
4 h after dark	46.8	32.6	61.0
8 h after dark	57.7	54.3	61.1
12 h after dark	62.2	60.9	63.5