condition	mean	min	max
0 h after light	6.83315	6.82706	6.83924
4 h after light	4.441319999999999	3.75418	5.12846
8 h after light	5.5375049999999995	4.96395	6.11106
4 h after dark	8.371725000000001	8.08862	8.65483
8 h after dark	8.412700000000001	8.28724	8.53816
12 h after dark	6.254284999999999	5.62746	6.88111