condition	mean	min	max
4 h after light	48.9	48.9	48.9
8 h after light	51.35	45.2	57.5
12 h after light	60.95	47.9	74.0
4 h after dark	78.75	72.0	85.5
8 h after dark	58.5	42.4	74.6
12 h after dark	71.35	66.0	76.7