condition	mean	min	max
4 h after light	17.26005	16.2847	18.2354
8 h after light	14.31595	13.2969	15.335
12 h after light	16.262050000000002	12.1797	20.3444
4 h after dark	24.4309	23.2628	25.599
8 h after dark	22.3339	20.7598	23.908
12 h after dark	30.148249999999997	29.1786	31.1179