condition	mean	min	max
4 h after light	4.914275	4.25498	5.57357
8 h after light	2.966025	2.77699	3.15506
12 h after light	2.857025	2.81342	2.90063
4 h after dark	3.3327166666666668	3.01484	3.52065
8 h after dark	4.069163333333333	3.73636	4.46747
12 h after dark	4.526926666666667	4.44097	4.61795