condition	mean	min	max
4 h after light	7.66266	5.74223	8.86826
8 h after light	1.8554166666666667	1.19841	2.25124
12 h after light	0.950939	0.827982	1.04027
4 h after dark	2.52656	1.38167	3.58477
8 h after dark	6.03172	4.59239	6.96624
12 h after dark	5.32245	3.14999	7.20212