condition	mean	min	max
4 h after light	9.80556	9.46702	10.1441
8 h after light	13.29815	12.1823	14.414
12 h after light	9.45843	9.29451	9.62235
4 h after dark	11.110233333333333	10.0108	12.2929
8 h after dark	19.7927	16.4741	22.8832
12 h after dark	12.082006666666668	7.77221	18.9248