condition	mean	min	max
4 h after light	6.3	6.3	6.3
8 h after light	68.30000000000001	67.7	68.9
12 h after light	65.1	62.5	67.7
4 h after dark	138.95	102.6	175.3
8 h after dark	178.3	166.4	190.2
12 h after dark	138.0	98.9	177.1