condition	mean	min	max
4 h after light	1.8077900000000002	1.33471	2.28087
8 h after light	1.740935	1.58652	1.89535
12 h after light	1.79984	1.45848	2.1412
4 h after dark	1.906675	1.38544	2.42791
8 h after dark	1.5637500000000002	1.36878	1.75872
12 h after dark	1.4564050000000002	1.14792	1.76489