condition	mean	min	max
4 h after light	7.326143	7.061557	7.590729
8 h after light	6.7109655	6.360374	7.061557
12 h after light	7.32155	6.641931	8.001169
4 h after dark	7.017681	6.565212	7.47015
8 h after dark	6.7900375	6.065692	7.514383
12 h after dark	6.751184	6.751184	6.751184