condition	mean	min	max
4 h after light	3.558395	2.93938	4.17741
8 h after light	3.48888	3.42723	3.55053
12 h after light	3.9762500000000003	3.65762	4.29488
4 h after dark	5.817783333333334	5.36544	6.31759
8 h after dark	7.957906666666667	7.14091	8.77823
12 h after dark	4.731246666666666	4.4639	5.25341