condition	mean	min	max
4 h after light	2.319715	2.18668	2.45275
8 h after light	6.370665	5.62306	7.11827
12 h after light	7.23977	6.86753	7.61201
4 h after dark	4.3913	4.11134	4.67126
8 h after dark	4.7404399999999995	4.2477	5.23318
12 h after dark	3.546125	3.27892	3.81333