condition	mean	min	max
4 h after light	6.151285	5.28819	7.01438
8 h after light	2.45256	2.31254	2.59258
12 h after light	1.6489950000000002	1.29984	1.99815
4 h after dark	2.719946666666667	2.20981	3.12347
8 h after dark	8.340293333333333	8.13272	8.64835
12 h after dark	3.7532133333333335	3.36222	3.9635