condition	mean	min	max
4 h after light	15.2043	14.7987	15.6099
8 h after light	10.25715	10.1509	10.3634
12 h after light	9.80346	9.08832	10.5186
4 h after dark	19.6912	17.0471	23.0915
8 h after dark	22.320966666666667	21.0112	24.259
12 h after dark	19.8065	18.6424	21.4767