condition	mean	min	max
4 h after light	17.128948	16.671573	17.586323
8 h after light	18.4966245	15.639829	21.35342
12 h after light	24.592660000000002	21.589155	27.596165
4 h after dark	14.085981	13.046419	15.125543
8 h after dark	17.954252	13.679553	22.228951
12 h after dark	15.239773	15.239773	15.239773