condition	mean	min	max
4 h after light	9.447516666666667	6.87392	11.6204
8 h after light	4.26834	1.82372	5.60546
12 h after light	4.96346	3.05953	8.51509
4 h after dark	6.349033333333334	5.04086	7.01185
8 h after dark	7.8068	6.40809	8.66265
12 h after dark	12.3342	8.222	15.5201