condition	mean	min	max
0 h after light	7.25924	6.85267	7.66581
4 h after light	15.8778	14.3385	17.4171
8 h after light	12.3872	12.3346	12.4398
4 h after dark	6.652165	5.45894	7.84539
8 h after dark	10.15205	10.0574	10.2467
12 h after dark	8.270295	7.94603	8.59456