condition	mean	min	max
4 h after light	4.45842	3.15026	5.76658
8 h after light	1.902955	1.83733	1.96858
12 h after light	2.51605	2.21112	2.82098
4 h after dark	5.01574	3.97937	6.05211
8 h after dark	11.77735	10.1876	13.3671
12 h after dark	11.18118	9.23406	13.1283