condition	mean	min	max
0 h after light	11.07115	10.829	11.3133
4 h after light	10.452919999999999	9.60914	11.2967
8 h after light	8.209375	7.65261	8.76614
4 h after dark	9.89532	9.87581	9.91483
8 h after dark	12.65345	12.4007	12.9062
12 h after dark	13.44725	13.2992	13.5953