condition	mean	min	max
0 h after light	9.010214999999999	8.6656	9.35483
4 h after light	12.13055	12.1108	12.1503
8 h after light	13.88105	13.5471	14.215
4 h after dark	12.2163	12.0402	12.3924
8 h after dark	11.99715	11.6662	12.3281
12 h after dark	9.230015	8.37863	10.0814