condition	mean	min	max
4 h after light	5.85621	5.68582	6.0266
8 h after light	3.72996	3.53772	3.9222
12 h after light	4.467895	4.00817	4.92762
4 h after dark	5.641255	5.04138	6.24113
8 h after dark	6.07469	6.03761	6.11177
12 h after dark	5.029389999999999	4.8058	5.25298