condition	mean	min	max
3 h after light	16.921966666666666	13.4281	20.6587
6 h after light	15.3869	11.9818	19.7318
9 h after light	17.6948	14.6455	22.3418
12 h after light	20.30865	16.675	25.488
3 h after dark	27.455233333333332	24.8471	31.8292
6 h after dark	27.702633333333335	24.5832	31.0944
9 h after dark	22.9253	21.5199	25.4886
12 h after dark	21.634149999999998	21.6222	21.6461