condition	mean	min	max
0 h after light	2.8030999999999997	2.63572	2.97048
4 h after light	2.256585	1.99541	2.51776
8 h after light	2.01589	1.79666	2.23512
4 h after dark	2.779315	2.61173	2.9469
8 h after dark	2.37434	2.29455	2.45413
12 h after dark	2.67274	2.65568	2.6898