condition	mean	min	max
4 h after light	12.8498	10.4484	15.2512
8 h after light	13.767050000000001	13.2314	14.3027
12 h after light	15.5638	15.4629	15.6647
4 h after dark	20.033	19.6703	20.4977
8 h after dark	19.31673333333333	18.5043	20.8375
12 h after dark	17.986233333333335	17.8822	18.1558