condition	mean	min	max
4 h after light	12.685	12.3198	13.3576
8 h after light	6.67238	2.67777	9.98941
12 h after light	7.814593333333334	5.58556	11.2927
4 h after dark	10.83179	7.92797	12.6347
8 h after dark	12.16221	8.62123	15.2053
12 h after dark	12.868566666666666	11.9263	14.211