condition	mean	min	max
4 h after light	67.5	67.5	67.5
8 h after light	66.85	63.5	70.2
12 h after light	85.7	71.5	99.9
4 h after dark	129.55	75.9	183.2
8 h after dark	153.25	150.9	155.6
12 h after dark	169.85	153.0	186.7