condition	mean	min	max
4 h after light	15.195753333333332	8.41756	22.1085
8 h after light	10.04237	4.06471	13.2109
12 h after light	13.05347	8.91661	18.6419
4 h after dark	19.171233333333333	13.1632	25.1696
8 h after dark	17.788966666666667	14.5369	20.991
12 h after dark	14.917900000000001	12.9067	17.3366