condition	mean	min	max
4 h after light	4.271225	4.0726	4.46985
8 h after light	6.204795000000001	6.00938	6.40021
12 h after light	7.442074999999999	6.7893	8.09485
4 h after dark	9.02798	7.89286	10.1631
8 h after dark	5.8340250000000005	5.67787	5.99018
12 h after dark	8.47111	8.28155	8.66067