condition	mean	min	max
0 h after light	6.43281	6.41109	6.45453
4 h after light	4.71033	4.65117	4.76949
8 h after light	4.554805	4.23306	4.87655
4 h after dark	5.182895	4.77682	5.58897
8 h after dark	5.306509999999999	5.04848	5.56454
12 h after dark	6.218870000000001	5.62668	6.81106