condition	mean	min	max
4 h after light	5.423165	4.08925	6.75708
8 h after light	6.396585	5.17844	7.61473
12 h after light	6.78581	6.2083	7.36332
4 h after dark	16.339233333333333	13.3253	19.2485
8 h after dark	14.669500000000001	13.2613	15.8091
12 h after dark	7.400893333333333	4.92807	9.10736