condition	mean	min	max
4 h after light	12.8781	12.5364	13.2198
8 h after light	13.92445	13.2165	14.6324
12 h after light	15.438649999999999	15.1246	15.7527
4 h after dark	19.66205	18.4062	20.9179
8 h after dark	17.461750000000002	17.1418	17.7817
12 h after dark	16.698050000000002	16.4293	16.9668