condition	mean	min	max
4 h after light	7.591553333333334	7.508710000000001	7.698869999999999
8 h after light	7.81738	7.71715	7.94128
12 h after light	8.063383333333332	7.955	8.20326
4 h after dark	8.061763333333333	8.00338	8.122760000000001
8 h after dark	7.959133333333333	7.85169	8.11777
12 h after dark	7.96257	7.900989999999999	8.08431