condition	mean	min	max
4 h after light	5.29314	5.27256	5.31372
8 h after light	7.19008	6.6473	7.73286
12 h after light	9.456315	8.26273	10.6499
4 h after dark	9.504584999999999	9.02737	9.9818
8 h after dark	8.249925	7.9213	8.57855
12 h after dark	7.363795	7.24681	7.48078