condition	mean	min	max
4 h after light	3.421495	2.90588	3.93711
8 h after light	3.26545	3.13758	3.39332
12 h after light	4.10852	4.02498	4.19206
4 h after dark	5.562076666666667	5.02261	6.08182
8 h after dark	5.019493333333333	4.59372	5.62893
12 h after dark	4.07963	3.44052	4.72005