condition	mean	min	max
3 h after light	3.717006666666667	2.68486	5.75595
6 h after light	4.349366666666667	3.32506	4.99402
9 h after light	6.303613333333334	5.19398	7.69193
12 h after light	9.322675	8.66556	10.2071
3 h after dark	12.63701	9.45793	16.0065
6 h after dark	12.1425	11.1638	13.9499
9 h after dark	8.83706	7.90043	10.2621
12 h after dark	6.31958	5.72231	6.91685