condition	mean	min	max
4 h after light	138.9	138.9	138.9
8 h after light	147.4	146.5	148.3
12 h after light	148.8	146.7	150.9
4 h after dark	178.05	175.3	180.8
8 h after dark	165.25	154.7	175.8
12 h after dark	138.5	122.9	154.1