condition	mean	min	max
4 h after light	14.0048115	13.314818	14.694805
8 h after light	14.9675555	14.233129	15.701982
12 h after light	16.505062000000002	14.697218	18.312906
4 h after dark	15.275063	15.098425	15.451701
8 h after dark	23.423941	22.262995	24.584887
12 h after dark	14.264572	14.264572	14.264572