condition	mean	min	max
4 h after light	1.327585	1.15282	1.50235
8 h after light	2.586995	2.23965	2.93434
12 h after light	2.376045	2.2348	2.51729
4 h after dark	2.6696999999999997	2.66799	2.67141
8 h after dark	1.949195	1.92761	1.97078
12 h after dark	1.971975	1.91459	2.02936