condition	mean	min	max
4 h after light	9.941445	9.21719	10.6657
8 h after light	7.56507	7.48703	7.64311
12 h after light	7.42129	6.39235	8.45023
4 h after dark	8.003803333333334	7.64075	8.40114
8 h after dark	10.50152	9.46936	11.4792
12 h after dark	8.98979	8.66012	9.47872