condition	mean	min	max
4 h after light	13.402550000000002	11.7955	15.0096
8 h after light	13.46115	12.6987	14.2236
12 h after light	9.54735	8.6388	10.4559
4 h after dark	7.94669	7.84949	8.12782
8 h after dark	8.955070000000001	8.29678	9.85185
12 h after dark	8.985443333333333	7.81242	10.1493