condition	mean	min	max
2 h after light	18.48435	17.3542	20.0554
6 h after light	13.78515	12.0468	15.1194
10 h after light	15.75067	9.55262	20.0347
14 h after light	16.669933333333333	13.4896	19.9191
18 h after light	17.0174	15.0629	19.1729
2 h after dark	16.612333333333332	14.153	19.9785