condition	mean	min	max
0 h after light	3.92959	3.79363	4.06555
4 h after light	4.80649	3.91428	5.6987
8 h after light	4.010005	3.40408	4.61593
4 h after dark	4.038685	3.20595	4.87142
8 h after dark	5.20809	4.94213	5.47405
12 h after dark	3.881355	3.53364	4.22907