condition	mean	min	max
4 h after light	4.300823333333334	4.225969999999999	4.421130000000001
8 h after light	4.218046666666667	4.18312	4.23749
12 h after light	4.19024	4.10597	4.2742
4 h after dark	4.3368166666666665	4.2714099999999995	4.4162
8 h after dark	4.312213333333333	4.07571	4.476380000000001
12 h after dark	4.32991	4.21943	4.513240000000001