condition	mean	min	max
0 h after light	3.8737450000000004	3.57206	4.17543
4 h after light	6.12259	6.10269	6.14249
8 h after light	5.853305000000001	5.71656	5.99005
4 h after dark	6.875715	6.65684	7.09459
8 h after dark	5.859204999999999	5.53088	6.18753
12 h after dark	4.795235	4.68817	4.9023