condition	mean	min	max
4 h after light	85.4	85.4	85.4
8 h after light	51.5	44.5	58.5
12 h after light	78.55	54.3	102.8
4 h after dark	106.75	95.5	118.0
8 h after dark	98.95	91.2	106.7
12 h after dark	105.1	90.3	119.9