condition	mean	min	max
4 h after light	9.714955	9.36241	10.0675
8 h after light	7.55128	7.09258	8.00998
12 h after light	9.438410000000001	8.71782	10.159
4 h after dark	14.371733333333333	13.8716	14.6827
8 h after dark	14.510933333333334	13.3156	15.9315
12 h after dark	10.562293333333333	8.94908	11.663