condition	mean	min	max
4 h after light	4.6011299999999995	3.99712	5.20514
8 h after light	3.41241	3.19041	3.63441
12 h after light	2.03227	1.92585	2.13869
4 h after dark	1.908495	1.38992	2.42707
8 h after dark	1.328275	1.28334	1.37321
12 h after dark	1.9606050000000002	1.95127	1.96994