condition	mean	min	max
2 h after light	11.912115	9.12795	14.374
6 h after light	9.49836	8.28608	12.8239
10 h after light	8.676225	7.78454	9.65613
14 h after light	9.638386666666667	7.5733	12.7565
18 h after light	11.246938333333333	6.74313	15.0246
2 h after dark	13.373083333333334	11.4379	16.6823