condition	mean	min	max
4 h after light	11.23015	10.593	11.8673
8 h after light	12.8579	12.6924	13.0234
12 h after light	15.55585	15.2801	15.8316
4 h after dark	18.8856	17.5171	20.2541
8 h after dark	15.490400000000001	14.9602	16.0206
12 h after dark	14.3411	14.3195	14.3627