condition	mean	min	max
4 h after light	2.3767899999999997	1.61837	3.13521
8 h after light	4.66059	4.01392	5.30726
12 h after light	4.38463	3.81285	4.95641
4 h after dark	11.038	10.3452	11.7308
8 h after dark	7.06777	6.75386	7.38168
12 h after dark	5.657055	4.66945	6.64466