condition	mean	min	max
4 h after light	1.26736	1.18778	1.34694
8 h after light	1.32076	1.16855	1.47297
12 h after light	1.5779	1.22493	1.93087
4 h after dark	1.84822	1.76105	1.93539
8 h after dark	2.30397	1.76503	2.84291
12 h after dark	1.75846	1.70685	1.81007