condition	mean	min	max
4 h after light	2.007746666666667	1.23216	3.02546
8 h after light	1.279224	0.422272	1.87134
12 h after light	1.99834	1.01099	3.12893
4 h after dark	2.036331	0.364143	3.65198
8 h after dark	1.441668	0.724464	1.87335
12 h after dark	2.371103333333333	1.92709	2.62511