condition	mean	min	max
4 h after light	178.9	178.9	178.9
8 h after light	167.64999999999998	136.6	198.7
12 h after light	156.85	155.1	158.6
4 h after dark	145.9	133.0	158.8
8 h after dark	134.5	121.0	148.0
12 h after dark	169.25	167.6	170.9