condition	mean	min	max
4 h after light	7.291605000000001	6.70887	7.87434
8 h after light	6.583005	6.42366	6.74235
12 h after light	8.24241	7.7564	8.72842
4 h after dark	9.280183333333333	9.02901	9.67261
8 h after dark	8.409726666666666	7.16948	10.479
12 h after dark	6.985806666666666	4.38214	8.33222