condition	mean	min	max
4 h after light	15.643350000000002	15.5363	15.7504
8 h after light	11.172460000000001	9.17102	13.1739
12 h after light	8.86571	8.67729	9.05413
4 h after dark	10.851866666666666	10.1991	11.6534
8 h after dark	12.1229	11.8971	12.4564
12 h after dark	14.762533333333334	11.3093	17.2487