condition	mean	min	max
4 h after light	8.584283	8.130646	9.03792
8 h after light	9.097825	8.573861	9.621789
12 h after light	9.475076999999999	8.589692	10.360462
4 h after dark	8.201662500000001	8.001169	8.402156
8 h after dark	8.452134000000001	8.395685	8.508583
12 h after dark	8.884046	8.884046	8.884046