condition	mean	min	max
0 h after light	2.846775	2.6968	2.99675
4 h after light	5.599925	5.55871	5.64114
8 h after light	13.0215	12.2742	13.7688
4 h after dark	18.3201	14.3917	22.2485
8 h after dark	7.761395	7.70371	7.81908
12 h after dark	2.950185	2.07969	3.82068