condition	mean	min	max
2 h after light	8.816856666666666	8.40375	9.1426
6 h after light	9.234606666666666	8.91901	9.58551
10 h after light	9.213636666666666	9.14813	9.33362
2 h after dark	7.795599999999999	7.58129	8.02709
6 h after dark	7.43445	7.15534	7.58662
10 h after dark	6.34285	6.10242	6.69431