condition	mean	min	max
4 h after light	78.4	78.4	78.4
8 h after light	95.85	71.5	120.2
12 h after light	67.2	64.7	69.7
4 h after dark	58.95	50.7	67.2
8 h after dark	90.8	51.4	130.2
12 h after dark	60.1	53.5	66.7