condition	mean	min	max
4 h after light	8.334895	6.70084	9.96895
8 h after light	8.57468	8.07683	9.07253
12 h after light	10.42035	10.2886	10.5521
4 h after dark	8.97109	7.97297	9.96921
8 h after dark	7.543775	6.53909	8.54846
12 h after dark	8.04446	7.85594	8.23298