condition	mean	min	max
4 h after light	0.723473	0.641839	0.805107
8 h after light	3.854985	3.48346	4.22651
12 h after light	6.19131	6.13342	6.2492
4 h after dark	5.89898	5.36141	6.52005
8 h after dark	3.7678833333333333	3.53564	4.08481
12 h after dark	2.26881	1.97453	2.69515