condition	mean	min	max
4 h after light	67.850889	56.468931	79.232847
8 h after light	67.2300835	64.693967	69.7662
12 h after light	50.1669745	34.05628	66.277669
4 h after dark	73.3999075	65.761805	81.03801
8 h after dark	65.374488	62.701567	68.047409
12 h after dark	48.498582	48.498582	48.498582