condition	mean	min	max
4 h after light	91.5	91.5	91.5
8 h after light	85.75	85.5	86.0
12 h after light	130.95	113.0	148.9
4 h after dark	167.1	108.8	225.4
8 h after dark	139.55	129.9	149.2
12 h after dark	107.7	94.5	120.9