condition	mean	min	max
4 h after light	3.1861633333333335	2.33928	3.75461
8 h after light	2.378244	0.842922	3.68291
12 h after light	3.52709	1.76405	5.36107
4 h after dark	6.60193	4.95966	8.1239
8 h after dark	7.5366	6.30583	8.46101
12 h after dark	5.63856	4.18775	6.66593