condition	mean	min	max
4 h after light	7.374135	6.30566	8.44261
8 h after light	7.92261	7.36609	8.47913
12 h after light	8.513095	8.22383	8.80236
4 h after dark	12.313666666666666	10.5068	14.0899
8 h after dark	10.558073333333335	9.67472	11.4442
12 h after dark	8.28506	7.23898	8.87869