condition	mean	min	max
4 h after light	16.2753	16.2207	16.3299
8 h after light	17.0561	15.9358	18.1764
12 h after light	15.93525	14.5773	17.2932
4 h after dark	17.585299999999997	16.3345	18.8361
8 h after dark	17.9512	17.7472	18.1552
12 h after dark	18.0719	17.107	19.0368