condition	mean	min	max
3 h after light	8.332553333333333	7.65779	9.25987
6 h after light	12.300666666666666	10.6756	13.8687
9 h after light	13.708	11.7912	15.765
12 h after light	14.44472	8.52058	18.5504
3 h after dark	14.190166666666666	12.7544	15.9118
6 h after dark	8.17072	7.56054	8.71401
9 h after dark	6.75115	6.0289	7.62952
12 h after dark	4.83095	4.72997	4.93193