condition	mean	min	max
4 h after light	3.155675	2.79645	3.5149
8 h after light	2.332825	1.96452	2.70113
12 h after light	3.069945	3.0487	3.09119
4 h after dark	4.85509	4.44319	5.65316
8 h after dark	5.066493333333334	4.75189	5.30243
12 h after dark	3.855323333333333	3.17329	4.75583