condition	mean	min	max
0 h after light	3.170325	2.94335	3.3973
4 h after light	2.904785	2.71272	3.09685
8 h after light	2.68183	2.59547	2.76819
4 h after dark	4.187765	3.92764	4.44789
8 h after dark	3.670055	3.59053	3.74958
12 h after dark	3.830625	3.47321	4.18804