condition	mean	min	max
4 h after light	5.697595	5.15148	6.24371
8 h after light	4.742805	3.68775	5.79786
12 h after light	6.527125	5.80541	7.24884
4 h after dark	7.032593333333334	5.81697	9.39466
8 h after dark	7.606276666666666	6.87625	8.98415
12 h after dark	6.458083333333334	5.80692	7.5701