condition	mean	min	max
4 h after light	130.9	130.9	130.9
8 h after light	183.3	180.9	185.7
12 h after light	209.75	176.2	243.3
4 h after dark	350.6	304.3	396.9
8 h after dark	354.85	267.1	442.6
12 h after dark	253.7	201.1	306.3