condition	mean	min	max
4 h after light	8.653486666666666	7.22609	10.5209
8 h after light	10.145383333333335	3.38765	16.5786
12 h after light	11.411529999999999	6.09699	16.3498
4 h after dark	19.1832	13.6044	24.0652
8 h after dark	17.770599999999998	13.6924	19.8218
12 h after dark	11.24955	8.31355	13.8809