condition	mean	min	max
4 h after light	34.1935	29.3534	39.0336
8 h after light	22.1336	21.0692	23.198
12 h after light	10.108455	9.54641	10.6705
4 h after dark	11.0844	10.706	11.4649
8 h after dark	16.2575	15.2996	16.7407
12 h after dark	22.4269	20.2774	25.2685