condition	mean	min	max
4 h after light	19.8112	15.929	23.6934
8 h after light	20.326900000000002	19.0911	21.5627
12 h after light	22.5283	22.4138	22.6428
4 h after dark	27.789166666666667	27.5367	28.0238
8 h after dark	32.815	30.3511	35.1493
12 h after dark	21.253333333333334	15.9971	25.0385