condition	mean	min	max
0 h after light	14.032350000000001	13.7177	14.347
4 h after light	15.02995	14.9253	15.1346
8 h after light	18.802599999999998	17.1576	20.4476
4 h after dark	18.9099	17.3423	20.4775
8 h after dark	16.4966	15.7438	17.2494
12 h after dark	12.74955	12.3655	13.1336