condition	mean	min	max
4 h after light	5.37394	5.10808	5.6398
8 h after light	5.77885	5.26008	6.29762
12 h after light	5.73476	5.20753	6.26199
4 h after dark	7.177989999999999	6.41547	7.94051
8 h after dark	6.169165	6.08529	6.25304
12 h after dark	6.587745	6.43176	6.74373