condition	mean	min	max
4 h after light	15.325500000000002	13.1194	17.5316
8 h after light	9.906975	9.35105	10.4629
12 h after light	13.316500000000001	12.1766	14.4564
4 h after dark	15.418849999999999	13.7796	17.0581
8 h after dark	13.56925	13.5189	13.6196
12 h after dark	14.7777	13.6522	15.9032