condition	mean	min	max
0 h after light	7.7814250000000005	7.08645	8.4764
4 h after light	5.163959999999999	5.15724	5.17068
8 h after light	6.023745	5.773	6.27449
4 h after dark	6.78205	6.2886	7.2755
8 h after dark	6.785235	6.72661	6.84386
12 h after dark	6.958935	6.73174	7.18613