condition	mean	min	max
0 h after light	2.300135	2.27691	2.32336
4 h after light	1.619355	1.59538	1.64333
8 h after light	7.278255	6.89583	7.66068
4 h after dark	5.96634	4.96052	6.97216
8 h after dark	2.146535	1.80587	2.4872
12 h after dark	2.00002	1.57892	2.42112