condition	mean	min	max
4 h after light	109.9	109.9	109.9
8 h after light	56.25	14.5	98.0
12 h after light	85.7	78.9	92.5
4 h after dark	73.05	51.1	95.0
8 h after dark	58.05	40.5	75.6
12 h after dark	12.35	9.6	15.1